Target Test

1.

Which of the following statements regarding gymnosperms are correct?

I.	Ovules are naked - not enclosed by any ovary wall before fertilisation but seeds that develop after fertilisation are covered.
II.	In all living Gymnosperms, sporophyte is dominant over the gametophyte.
III.	They are heterosporous.
IV.	The male and female gametophytes do not have an independent existence.

1. I, II and III
2. I, III and IV
3. II, III and IV
4. I, II, III and IV

2.

G.N. Ramachandran discovered the structure of collagen which is a/an:

1.	Alpha helix	2.	Beta pleated sheet
3.	Triple helix	4.	Icosahederon

3.

Hypocalcemia may lead to:-
1. Kidney stones
2. Cholelithiasis
3. Stronger muscle contractions
4. Tetany

4.

Match each item in Column I with one in Column II and choose the correct option from the codes given below:

	Column I		Column II
A.	Filtration fraction	a.	19%
B.	Normal Blood Urea Level	b.	23%
C.	GFR	c.	70-100 mg %
		d.	15-40 mg %
		e.	180 ml/min
		f.	125 ml/min

	A	B	C
1.	b	d	f
2.	a	d	f
3.	a	c	e
4.	b	d	e

5.

Which of the following statements is wrong for viroids?
1. They are smaller than viruses
2. They cause infections
3. Their RNA is of high molecular weight
4. They lack a protein coat

6.

The chemiosmotic coupling hypothesis of oxidative phosphorylation proposes that Adenosine Triphosphate (ATP) is formed because

1.	high energy bonds are formed in mitochondrial proteins
2.	ADP is pumped out of the matrix into the intermembrane space
3.	a proton gradient forms across the inner membrane
4.	there is a change in the permeability of the inner mitochondrial membrane toward Adenosine Diphosphate (ADP)

7.

Chitin is a polysaccharide found in the exoskeleton of
1. prawn
2. insects
3. crabs
4. all of these

8.

Taxonomic hierarchy refers to

1.	step-wise arrangement of all categories for classification of plants and animals
2.	a group of senior taxonomists, who decide the nomenclature of plants and animals
3.	a list of botanists or zoologists, who have worked on taxonomy of a species or group
4.	classification of a species based on fossil record

9.

Hypertension affects mainly organ:
1. Intestine
2. Kidney
3. Liver
4. Eyes

10.

Which of the following statement/s about chondrichthyes are incorrect?

1)	Notochord is persistent throughout life
2)	Endoskeleton is made up of bones
3)	Operculum present
4)	Skin is covered by placoid scales

1.	All of the above
2.	None of the above
3.	1 and 4 are incorrect
4.	2 and 3 are incorrect

11.

Modified polysaccharides in between cells which act as matrix are secreted by :
1. Blood cells
2. Elastin
3. Mast cells of areolar tissue
4. All connective tissues except blood

12.

Where does oxygen come from during photosynthesis?
1. Oxidation of water
2. Oxidation of glucose
3. Reduction of glucose
4. From CO₂

13.

Which enzyme catalyzes the reaction of ATP formation during chemiosmosis?

1.	ATP hydrolase	2.	ATP synthase
3.	ATPase	4.	ATP synthetase

14.

For the uninterrupted flow of Calvin Cycle, which step is most important?
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction

15.

In dicot stem epidermis is___________ layered and hypodermis is __________layered

1.	single, multi	2.	multi,single
3.	single, single	4.	multi,multi

16.

A motor unit is best described as:
(1) All the nerve fibres and muscle fibres in a single muscle bundle
(2) One muscle fibre and its single nerve fibre
(3) A single motor neuron and all the muscle fibres that it innervates
(4) It is the neuron which carries the message from muscle to CNS

17.

Match the Column-I with Column-II:
Column-I Column-II
A. True ribs I. 3 pairs
B. False ribs II. 2 pairs
C. Floating ribs III. 7 pairs
(1) A - I, B - II, C - III
(2) A - III, B - I, C - II
(3) A - III, B - II, C - I
(4) A - II, B - I, C - III

18.

The matrix of connective tissue is

(1) Modified Polysaccharides
(2) Modified Glycoprotein
(3) Polysaccharides
(4) Protein

19.

If total number of eggs in a female cockroach is found to be 150, then how many oothecae could be there?

(1) 4
(2) 10
(3) 15
(4) 25

20.

What is incorrect with respect to taxa?

1.	Represents a category at different levels.
2.	Human and Homo sapiens represents different taxa.
3.	Mammals, Dogs and animals represent taxa at different levels.
4.	Taxa is a scientific term for category

21.

Taxonomic studies are not useful in

1.	Agriculture
2.	Industry
3.	Knowing our bio-resources and their biodiversity
4.	Measuring field capacity

22.

Complimentary cells are formed by the activity of

1.	phellogen	2.	phellem
3.	phelloderm	4.	All of these

23.

Assertion : During inspiration, the volume of thorax increases.
Reason : This happens due to the relaxation of diaphragm and inspiratory muscles.

24.

Chromosome number is reduced during meiosis because the process consists of:

1.	Two cell divisions without any chromosome replication
2.	A single cell division without any chromosome replication
3.	Two cell divisions in which half of the chromosomes are destroyed
4.	Two cell divisions and only a single round of DNA replication

25.

Which type of asexual spores are found in class phycomycetes?
a. Conidia
b. Zoospore
c. Aplanospore
d. Both b and c

26.

In Phaeophyceae, the spores (zoospores) are
1. Pyriform and bear 2 flagella (one longitudinal and other transverse).
2. Pear-shaped and bear 2 flagella that are laterally attached.
3. Pyriform and bear 2-8, equal and apial flagella.
4. Pear-shaped and bear 2-8, equal and apical flagella.

27.

Which of the following will take away blood from glomerulus?
1.Renal artery
2.Renal vein
3.Efferent Arteriole
4.Afferent Arteriole

28.

Vasa recta is

1.A minute vessel

2.A minute artery

3.A minute vein

4.A minute veinule

29.

From where does the signal for Micturition arise?

(1) By stretching of the urinary bladder
(2) By relaxing of urniary bladder
(3) By reduction in the size of urinary bladder
(4) By contraction of urinary bladder

30.

The polarity of the membrane at site A is reversed ie inside of the membrane becomes changed from negative to positive

1. Called as depolarization
2. Called as repolarization
3. Called as polarization
4. Called as hyperpolarization

31.

The layer of cells which covers the cerebral hemisphere is called

1. Cerebrum
2. Pia mater
3. Cortex
4. Dura mater

32.

Which of the following is not associated with midbrain?

1. Located between thalamus of the forebrain and pons of the hindbrain
2. A canal called the cerebral aqueduct passes through the midbrain
3. The ventral portion of the midbrain made up of mainly of four round swellings (lobes) called Corpora Quadrigemina
4. Midbrain is a part of the brain stem

33.

Which of the following part connects different regions of the brain?

1. Pons
2. Cerebellum
3. Medulla
4. Cerebrum

34.

Complex three is

1. NADH dehydrogenase
2. Succinate dehydrogenase
3. Cytochrome C oxidase
4. Cytochrome bc1 complex

35.

Which of the following is true about sugar of RNA
(1)Ribose sugar is present
(2)2’deoxyribose sugar is present
(3)5C sugar is present
(4)All is true except (B)

36.

Which of the following subunits are present in adult Haemoglobin
1. 2α & 2β type subunits
2. 2α & 2µ type subunits
3. 2β & 2µ type subunits
4. 2α & 2α type subunits

37.

The hormone that acts on the exocrine pancreas and stimulates the secretion of water and bicarbonate ions is:
1. Gastrin
2. Secretin
3. Cholecystokinin
4. Gastric inhibitory peptide

38.

The fertilization and development is:
1. internal and indirect in Ctenophora
2. internal and indirect in Porifera
3. external and direct in Aschelminthes
4. external and direct in Echinodermata

39.

The feature lacking in bony fishes would be:

1.	Operculum	2.	Swim bladder
3.	Ammonotelism	4.	Placoid scales

40.

Which of the following cell type of vascular tissue system of plants is not correctly matched with its function?

	Cell type	Function
1.	Tracheid	Chief water conduction element in gymnosperms
2.	Vessel element	Chief water conduction element in angiosperms
3.	Sieve cell	Food conduction element in angiosperms
4.	Albuminous cell	Delivery of substances to sieve cells

41.

Which of the following is polymeric secondary metabolites?
(1)Rubber
(2)Gums
(3)Abrin
(4)Both 1 and 2

42.

Following diagram represents a class of algae.

Find out odd statements related to this class of algae.
1. In protoplast a centrally located vacuole is present.
2. Body color depends upon concentration of fucoxanthin.
3. Pyriform zoospore with laterally inserted unequal flagella.
4. Food is stored in form of simple carbohydrates.

43.

The structure marked as X in the following diagram showing a sagittal section of the human brain would be:

1. Corpora quadrigemina
2. Limbic system
3. Corpus callosum
4. Hippocampal gyrus

44.

Which of the following is not correct about Gibberellins?
1.Another kind of promotors PGR
2.There are more than 100 Gibberellins
3.Found in Fungi and higher plants
4.The first and most intensively studied form of Gibberellins is GA2

45.

Which of the following is not a Physiological effect of Gibberellins?
1.Increase in the length of the grape stalks
2.They cause fruits like Apple to elongate and improve it's shape
3.They also delay senescence
4.They can shorten the market period for fruits

46.

Natural Cytokinins are not found in
1.Root apices
2.Developing shoot buds
3.Young Fruits
4.Root hair zone

47.

Which of the following has non flagellated male and female gametes?

(1) Fucus
(2) Spirogyra
(3) Ulothrix
(4) Volvox

48.

The following modification of stem is used in protection from browsing animals-

(1) Tendril
(2) Node
(3) Thorn
(4) Fleshy cylinder

49.

Which hormone regulates the calcium level in our body?

1.	Thyrocalcitonin	2.	Parathyroid hormone
3.	Thyroxine	4.	Both 1 and 2

50.

How many of the following hormones don’t enter the target cell?
Cortisol, Iodothyronine, Testosterone, Estradiol, FSH, Insulin, Glucagon
1. 4
2. 7
3. 3
4. 2

51.

Trilocular ovary is found in

(1) Brassicaceae
(2) Solanaceae
(3) Fabaceae
(4) Liliaceae

52.

Which of the following is true about Insulin

(1) responsible for hypoglycemia
(2) Enhances the cellular glucose uptake
(3) Acts mainly on hepatocytes and adipocytes
(4) All of these

53.

Organisms responsible for causing ‘red tide’ are also
characterized by
1. Presence of stiff cellulosic plates.
2. Obligate saprophyte.
3. Presence of two longitudinal flagella.
4. Filamentous body made up of trichomes.

54.

Select the mismatch

1.	Scapula	-	Situated in between 2^nd to 7^th ribs
2.	Ball and socket joint	-	Humerus and pectoral girdle
3.	Rib cage	-	Formed by vertebrae, ribs and sternum
4.	Pelvic girdle	-	Articulates with thigh bone at pubic symphysis.

55.

How many molecules of ATP are directly synthesized in the glycolysis pathway from one glucose molecule?

1.	2	2.	4
3.	6	4.	10

56.

Which of the following is the incorrectly matched set of organisms and the type of excretory waste?

	Organisms	Excretory waste
1.	Bony fishes, aquatic amphibians, aquatic insects	Ammonia
2.	Terrestrial amphibians, and cartilaginous fishes	Urea
3.	Land snails	Urea
4.	Reptiles, birds, and insects	Uric acid

57.

Four chambered heart, homoiothermous, monocondylic skull, internal fertilization are feature associated with
1. Amphibia (salamander)
2. Reptilia (calotes)
3. Aves (psittacula)
4. Mammalia (canis)

58.

PGR causing the closure of stomata in response to water stress is:

1.	ABA	2.	Gibberellins
3.	Auxin	4.	Cytokinin

59.

Swollen leaf base in the leguminous plants is called as
1. Phyllode
2. Pulvinus
3. Cladode
4. Phylloclade

60.

Eukaryotic cells contain
1. 70 'S' ribosomes
2. 70 'S' and 80 'S' ribosome
3. 80 'S' ribosomes
4. 70 'S' and 60 'S' ribosomes

61.

Select the odd one out with respect to chloroplasts

1.	Found in mesophyll cells of the leaves
2.	It contains small, double-stranded linear DNA
3.	Chlorophyll pigments are present in the thylakoid membrane
4.	Their ribosomes are smaller than cytoplasmic ribosomes

62.

Match the columns (l with ll)

Column-l	Column-ll
a. Microbodies	i. Ribosome
b. Chromosome	ii. Sap vacuole
c. Polysome	iii. Peroxisome
d. Tonoplast	iv. Kinetochore

	(a)	(b)	(c)	(d)
1.	(iii)	(iv)	(i)	(ii)
2.	(ii)	(iv)	(i)	(iii)
3.	(iii)	(ii)	(iv)	(i)
4.	(iv)	(ii)	(iii)	(i)

63.

Choose odd one with respect to composition of cell wall of algae
1. Cellulose, galactans
2. Mannans, minerals
3. Hemicellulose, pectin
4. Cellulose, minerals

64.

Select the incorrect statement
1. The columnar epithelium is present in the stomach and intestine
2. Cilia move the particle in a specific direction
3. Cilia are present in fallopian tube and bronchioles
4. In PCT simple squamous epithelium is present

65.

Which one is the example of synovial joint ?
1. Joints between skull bones
2. Pubic symphysis
3. Knee joint
4. Cartilaginous joint

66.

Identify the incorrect statement regarding adventitious roots.
1. They arise from any part of the plant other than radicle
2. They develop from nodes, internodes or leaves
3. Their main function is photosynthesis
4. They are usually found in monocots

67.

In general, _________ light is most favorable for plant growth and _____________ light
is least favorable.
1. Green, Red
2. Red, Green
3. Blue, Red
4. Orange, Red

68.

ATP and NADPH are converted to ADP + Pi and NADP+ during

1.	the light-dependent reactions
2.	the light-independent reactions
3.	both of the above
4.	None of the above

69.

Which of the following statements about cork cambium is incorrect?
(1) It forms a secondary cortex on its outside
(2) It forms a part of periderm
(3) It is responsible for the formation of lenticels
(4) It is a couple of layers thick

70.

The Total Lung Capacity (TLC) is the total volume of air accommodated in the lungs at the end of forced inspiration. This includes :
(1) RV; IC (Inspiratory Capacity); EC (Expiratory Capacity); and ERV
(2) RV; ERV; IC and EC
(3) RV; ERV; VC (Vital Capacity) and FRC (Functional Residual Capacity)
(4) RV (Residual Volume); ERV (Expiratory Reserve Volume); TV (Tidal Volume); and IRV (Inspiratory Reserve Volume)

71.

Dicot stem share a common feature with monocot stem that is both have

1.	Well developed large pith
2.	Conjoint vascular bundles
3.	Open vascular bundles
4.	Pericycle and endodermis

72.

A chronic disorder in which alveolar walls are damaged due to excessive cigarette smoking is
1. Asthma
2. Emphysema
3. Silicosis
4. Bronchitis

73.

_________ is known as the graveyard of RBCs.
1. Liver
2. Spleen
3. Pancreas
4. Bone marrow

74.

The four sketches (A, B, C, and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?

		Tissue	Location	Function
1.	(C)	Collagen fibres	Cartilage	Attach skeletal muscles to bones
2.	(D)	Smooth muscle tissue	Heart	Heart contraction
3.	(A)	Columnar epithelium	Nephron	Secretion and absorption
4.	(B)	Glandular epithelium	Intestine	Secretion

75.

If we go by the tenets of cell theory, viruses should be considered as non-living because they:
1. have a non-cellular organization
2. are obligate cellular endoparasites
3. are inert outside their specific host cell
4. can pass through bacteria-proof filters

76.

Centromeres split leading to the separation of sister chromatids and the pulling of the separated sister chromatids to the opposite poles is seen in:

I:	Mitotic anaphase
II:	Anaphase I
III:	Anaphase II

1.	Only I	2.	Only I and II
3.	Only III	4.	Only I and III

77.

Tissue death (infarction) of the heart muscle (myocardium) caused by ischaemia [the lack of oxygen delivery to myocardial tissue] is called as:
1. Heart attack
2. Heart failure
3. Heart block
4. Cardiac arrest

78. Hyphae, that are continuous tubes filled with multinucleated cytoplasm, are seen in the members of:
1. Ascomycetes
2. Phycomycetes
3. Deuteromycetes
4. Basidiomycetes

79. The number of carbon atoms are 3 in all of the following molecules except:
1. Dihydroxyacetone phosphate
2. Glyceraldehyde 3-phosphate
3. Acetyl CoA
4. Pyruvic acid

80. Meiosis in sexually reproducing organisms creates new variations by shuffling the available genetic material and leads to the formation of a recombinant DNA which is created at:

1.	Pachytene of Prophase I
2.	Diplotene of Prophase I
3.	Anaphase I of Meiosis I
4.	Anaphase II of Meiosis II

81. Match each item in Column I with one in Column II and select the correct match from the codes given:

	COLUMN I		COLUMN II
A	P wave on an ECG	P	Ventricluar depolarization
B.	QRS complex on an ECG	Q	Atrial depolarization
C.	First heart sound	R	Closure of semilunar valves
D.	Second heart sound	S	Closure of atrioventricular valves

Codes:

	A	B	C	D
1.	Q	P	S	R
2.	P	Q	S	R
3.	P	Q	R	S
4.	Q	P	R	S

82. Select the incorrect statement with reference to mitosis.

1.	Splitting of centromere occurs at anaphase.
2.	All the chromosomes lie at the equator at metaphase.
3.	Spindle fibres attach to centromere of chromosomes.
4.	Chromosomes decondense at telophase

83.

Given below are two statements:

Statement I:	Membrane-bound organelles of the endomembrane system coordinate cellular functions.
Statement II:	Mitochondria and chloroplasts are not considered a part of the endomembrane system.

In the light of the above statements, choose the most appropriate answer from the options given below :

1.	Statement I is correct but Statement II is incorrect.
2.	Statement I is incorrect but Statement II is correct.
3.	Both Statement I and Statement II are correct.
4.	Both Statement I and Statement II are incorrect.

84. The Floral Diagram represents which one of the following families?

1.	Fabaceae	2.	Brassicaceae
3.	Solanaceae	4.	Liliaceae

85. In a hypothetical condition, if the thylakoid membrane tears off causing the lumen of thylakoid continuous with the stroma, which of the following processes is likely to be most affected?
1. Reduction of NADP⁺ to NADPH
2. Absorption of Sunlight by chloroplast
3. Movement of electrons from PS II to PS I
4. ATP synthesis

86. Regarding taxonomy and systematics, which one is exclusive to systematics?
1. Internal structure
2. Development process
3. Evolutionary relationships between organisms
4. Ecological information of organisms

87. Which of the following stages of cell are considered to be a part of cell cycle?

(a)	G₀ stage
(b)	Post mitotic gap phase
(c)	Resting phase
(d)	Separation of cytoplasm

The correct ones are:
1. Only (a), (b) & (d)
2. Only (b) & (d)
3. Only (b), (c) & (d)
4. All (a), (b), (c) & (d)

88. Read following sentences carefully and select the incorrect one
1. During expiration \(pO_2\) of expired air is more than alveolar air but less than atmospheric air
2. During expiration \(pCO_2\) of expired air is less than \(pCO_2\) of alveolar air and more than \(pCO_2\) of atmospheric air
3. Sum of partial pressure of all gases at sea level is 760 mm Hg
4. The partial pressure of \(O_2\) and \(CO_2\) in the systemic veins is same as that in pulmonary vein

89. During inspiration, the volume of thoracic cavity increases because of

1.	Contraction of diaphragm and external intercostal muscles
2.	Relaxation of diaphragm and external intercostal muscles
3.	Contraction of diaphragm and relaxation of external intercostal muscles
4.	Relaxation of diaphragm and contraction of external intercostal muscles

90. Among the following, select the option which cannot occur due to action of catecholamines
1. Increase in duration of cardiac cycle
2. Lipolysis and glycogenolysis
3. Stimulate piloerection
4. Increase the rate of respiration

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