Test 1 (Class 11) - Type Recall (Old NCERT)

Biology 1 - Section A

1.

Consider the two statements:

I:	Platyhelminthes are restricted to environments where dehydration is unlikely.
II:	They are dorso-ventrally flattened.

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. Only I is correct
4. Both I and II are incorrect

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

	Column I [Phyllotaxy]		Column II [Example]
A.	Alternate	P.	Alstonia
B.	Opposite	Q.	Calotropis and Guava
C.	Whorled	R.	China rose, Mustard and Sunflower

Codes:

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

3.

In numerical taxonomy:

I:	computers are used and all the observable characters are taken into consideration.
II:	hundreds of characters can be considered together and each character is given equal importance.

1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. both I and II are incorrect

4.

Look at a sample of a Herbarium Sheet given in the diagram and select the correct statements regarding a herbarium:

I: Herbarium specimens are accompanied by a label that indicates the location where the plant was growing, the collector and the date collected.
II: Most herbaria utilize a standard system of organizing their specimens into herbarium cases.

1. Only I	2. Only II
3. Both I and II	4. Neither I nor II

5.

The chief producers in the oceans are:

1.	Floating hydrophytes	2.	Blue green algae
3.	Desmids	4.	Diatoms

6.

Consider the following two statements:

I:	The spread of living pteridophytes is restricted to narrow geographical regions
II:	They are the first terrestrial plants to possess vascular tissues

1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is true but II is false
4. I is false but II is true

7.

Both Archaebacteria and Eubacteria:

I:	have a similar structure of cell wall
II:	are members of Kingdom Monera

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

8.

Contagium vivum fluidum was proposed by

1.	D. J. Ivanowsky	2.	M. W. Beijerinck
3.	Stanley	4.	Robert Hooke

9.

Pneumatophores are found in plants growing in:

1. Xeric conditions	2. Swampy areas
3. Hypersaline environments	4. Permafrost conditions

10. The diagram shows an organism with the following features:
I. Presence of comb plates on the surface.
II. Bioluminescence

This animal can be:

1. A sponge	2. A Cnidarian
3. A Ctenophore	4. A flatworm

11. Identify the incorrectly matched pair:

	Biological name	Common name
1.	Aptenodytes	Penguin
2.	Pavo	Peacock
3.	Struthio	Pigeon
4.	Psittacula	Parrot

12.

Which of the following statements would be true for brown algae?

1.	Major pigments are chlorophyll a, c and fucoxanthin.
2.	Food is stored as floridean starch.
3.	Vegetative cells have wall made of cellulose, pectin and polysulphate esters.
4.	Flagellar number and insertions are 2, equal and apical.

13. Which of the following is not an Echinoderm?

1.	Sea Urchin	2.	Sea lily
3.	Brittle star	4.	Brain coral

14.

Alternaria, Colletotrichum and Trichoderma belong to the class:

1.	Phycomycetes	2.	Ascomycetes
3.	Basidiomycetes	4.	Deuteromycetes

15.

Female sex organs of gymnosperms are called:

1.	Archegonia	2.	Female strobili
3.	Megasporangium	4.	Megasporophyll

16.

The saprophytic protists are:

1.	Slime moulds	2.	Protozoans
3.	Desmids	4.	Dinoflagellates

17.

Which of the following is a defining characteristic of living organisms?

1. Growth	2. Ability to make sound
3. Reproduction	4. Response to external stimuli

Biology 1 - Section B

18.

In a dicot stem, the pericycle is present on the inner side of the endodermis and:

1.	above the phloem, in form of semi-lunar patches of sclerenchyma
2.	above the xylem, in form of semi-lunar patches of sclerenchyma
3.	above the phloem, in form of semi-lunar patches of collenchyma
4.	above the xylem, in form of semi-lunar patches of collenchyma

19.

The placentation shown below will be seen in:

1.	Argemone	2.	Dianthus
3.	Tomato	4.	Sunflower

20. In most woody trees, the exchange of gases between the outer atmosphere and the internal tissue of the stem is facilitated by:
1. Bulliform cells
2. Hydathodes
3. Lenticels
4. Albuminous cells

21. Consider the following two statements:
Statement I: ‘Tissue’ is a level of biological organization between cells and a complete organ.
Statement II: A tissue is a group of cells having a common origin and usually performing a common function.
1. Statement I is correct and Statement II is incorrect
2. Statement I is Statement II are correct
3. Statement I is Statement II are incorrect
4. Statement I is incorrect and Statement II is correct

22. Which of the following plants of Family Fabaceae is an important source of fodder?
1. Indigofera
2. Sesbania
3. Muliathi
4. Sunhemp

23.

In the given diagram of structure of a monocotyledonous seed,

1. A represents the fused testa and tegmen
2. B secretes enzymes for hydrolysis of stored nutrients
3. C is the single cotyledon seen in the seed
4. D is the covering of the embryonic root

24. Secondary growth:
1. occurs in all angiosperms
2. is accomplished by the procambium
3. is accomplished, at least in part, by the vascular cambium
4. brings about an increase in the height of the plant

25.

Gymnosperms lack:

I.	vessels in their xylem
II.	sieve tubes and companion cells
III.	secondary growth

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

Biology 2 - Section A

26.

If we consider the average composition of cells the correct descending order of the components will be:
1. Proteins → Nucleic acids → Carbohydrates → Lipids
2. Proteins → Carbohydrates → Nucleic acids → Lipids
3. Lipids → Carbohydrates → Nucleic acids → Proteins
4. Carbohydrates → Proteins → Lipids → Nucleic acids

27.

Cell is the fundamental structural and functional unit of all living organisms. This statement can be best justified by the fact that:

1.	The cells contain nucleic acids that contain genetic information
2.	A large number of organelles present in the cell perform various functions
3.	Anything less than a complete structure of a cell does not ensure independent living
4.	All multi-cellular organisms begin their life as a single celled zygote

28.

The cell junctions in animal tissues that perform the function of cementing to keep neighbouring cells together are known as:

1.	Tight junctions	2.	Adhering junctions
3.	Gap junctions	4.	Desmosomes

29.

Which of the following is not an aromatic amino acid?

1. Phenylalanine	2. Threonine
3. Tyrosine	4. Tryptophan

30.

An important site of the formation of glycoproteins and glycolipids in a eukaryotic cell is the:
1. Rough endoplasmic reticulum
2. Smooth endoplasmic reticulum
3. Golgi apparatus
4. Lysosomes

31.

Identify the incorrectly matched pair:

	Type of epithelium	Location
1.	Simple squamous	Blood vessels and alveoli
2.	Simple cuboidal non brush bordered epithelium	Proximal convoluted tubule
3.	Columnar epithelium	Stomach and small intestine
4.	Ciliated epithelium	Bronchioles and fallopian tubes

32.

Which of the following is absent in almost all plant cells?

1.	Plastid	2.	Cell wall
3.	A large central vacuole	4.	Centriole

33.

The endo-membrane system of a eukaryotic cell includes:

1.	Lysosomes	2.	Peroxisomes
3.	Mitochondria	4.	Chloroplasts

34.

Identify the correct statements regarding the structures shown in the given diagram.

I:	A is the transverse section of the axoneme of a flagellum showing 9 + 2 arrangement of the microtubules.
II:	B is the basal body that has an ultrastructure identical to centriole.

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

35.

Given below is the structure of a lipid. The excess of this compound in human blood can lead to:

1.	Alzheimer’s disease	2.	Phenylketonuria
3.	Atherosclerosis	4.	Rheumatoid arthritis

36.

Which of the following organelles in a eukaryotic cell can only be seen after staining with vital dye?

1.	Mitochondria	2.	Chloroplasts
3.	Nucleus	4.	Endoplasmic reticulum

37. Identify the correct statement regarding the cell envelope of a prokaryotic cell:

I:	The outermost layer of the cell envelope is called as the glycocalyx which may be present as a loose sheath called the slime layer or a thick and tough capsule.
II:	The cell wall determines the shape of the cell and provides a strong structural support to prevent the bacterium from bursting or collapsing.
III:	Plasma membrane is selectively permeable in nature and interacts with the outside world.
IV:	Bacterial cells can be classified as Gram positive and Gram negative based on the staining properties of their plasma membrane.

1.	All except IV	2.	Only I and II
3.	I, II, III and IV	4.	Only II, III and IV

38.

Anal cerci in Periplaneta americana:

1.	are present in the 9th segment in both sexes
2.	are present only in males
3.	are present in the 10th segment in both sexes
4.	are present only in females

39.

Match the following columns with reference to cockroach and select the correct option :

	Column I		Column II
(a)	Grinding of the food particles	(i)	Hepatic caeca
(b)	Secrete gastric juice	(ii)	10th segment
(c)	10 pairs	(iii)	Proventriculus
(d)	Anal cerci	(iv)	Spiracles
		(v)	Alary muscles

Options:

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

40. The given figure represents structure of glycogen/amylopectin. Identify A, B, C and D:

	A	B	C	D
1.	Reducing end	Non reducing end	α [1→4] linkage	α [1→6] linkage
2.	Non reducing end	Reducing end	α [1→4] linkage	α [1→6] linkage
3.	Reducing end	Non reducing end	α [1→6] linkage	α [1→4] linkage
4.	Non reducing end	Reducing end	α [1→6] linkage	α [1→4] linkage

41.

Which of the following is not an example of a secondary metabolite produced in living organisms?
1. Lecithin
2. Alkaloids
3. Flavonoids
4. Antibiotics

42. Identify the incorrect statement:

I:	Nuclear envelope consists of two parallel membranes with a perinuclear space between them.
II:	Nuclear pore is formed by the fusion of two nuclear membranes at points where they interrupt the nuclear envelope.
III:	Large and more numerous nucleoli are present in the cells actively carrying out protein synthesis.

1. Only I	2. Only II
3. Only III	4. None

Biology 2 - Section B

43.

Consider the following two statements regarding enzyme action:

I:	Co-factors play a crucial role in the catalytic activity of the enzyme.
II:	Catalytic activity is reduced when the co-factor is removed from the enzyme.

Of the above statements:
1. Both I and II are correct and II explains I
2. Both I and II are correct but II does not explain I
3. I is correct but II is incorrect
4. I is incorrect but II is correct

44. Consider the given two statements:
I: The living state and metabolism are synonymous.
II: Metabolism provides a mechanism for the production of energy.
1. Both I and II are correct and II correctly explains I
2. Both I and II are correct but II does not correctly explain I
3. I is correct and II is incorrect
4. I is incorrect and II is correct

45.

The cell expected to go through the events of cell cycle in the least amount of time would be:

1. Epithelial cell in humans	2. Neuron in humans
3. Yeast cell	4. Escherichia coli

46. Identify the correct statements:

I:	The level of protein structure organization that provides the positional information of amino acids in a protein is called as the primary structure.
II:	Only right handed helices are observed in proteins seen in living organisms.
III:	Tertiary structure is absolutely necessary for the many biological activities of proteins.

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

47. The diagram shows the various phases of cell cycle in a typical eukaryotic cell. Identify the correct match:

I:	A-Interphase; B-G₁phase; C-S phase; D-G₂ phase
II:	P-Prophase; Q- Anaphase; R-Metaphase; S- Diakinesis
III:	X-Karyokinesis; Y- Cytokinesis

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

48.

During meiosis, the bivalent chromosomes clearly appear as tetrads first at:

1.	Zygotene of Prophase I	2.	Pachytene of Prophase I
3.	Metaphase I	4.	Anaphase I

49.

The centrosome duplicates during:

1.	Early Prophase	2.	Late Prophase
3.	S phase	4.	G₂ phase

50.

Identify the stage of mitosis shown in the given diagram:

1.	Prophase	2.	Metaphase
3.	Anaphase	4.	Telophase

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