Test 17 (Class 11) - Type Recall (Old NCERT)

Biology 1 - Section A

1.

Match the element with its associated functions/roles and choose the correct option among given below:

A. Boron	i. Splitting of H₂O to liberate O₂ during photosynthesis
B. Manganese	ii. Needed for synthesis of auxins
C. Molybdenum	iii. Component of nitrogenase
D. Zinc	iv. Pollen germination
E. Iron	v. Component of ferredoxin

Options:

	A	B	C	D	E
1.	i	ii	iii	iv	v
2.	iv	i	iii	ii	v
3.	iii	ii	iv	v	i
4.	ii	iii	v	i	iv

2.

Sucrose is converted into glucose and fructose by the enzyme:

1.	Sucrase	2.	Aldolase
3.	Invertase	4.	Zymase

3.

The shape of the growth curve characteristic of a living organism growing in natural environment is:

1.	Linear	2.	Sigmoid
3.	Hyperbola	4.	Bell shaped

4.

A $C_{3}$ and a $C_{4}$ plant were fed with carbon dioxide radioactively labeled with an isotope of carbon. In which of the following molecules, respectively in $C_{3}$ and $C_{4}$ plants, would radioactivity first appear as photosynthesis progresses?

1.	PGA and OAA	2.	Water and PGAL
3.	PGAL and Malic acid	4.	PEP and RuBP

5.

If fatty acids were to enter the respiratory pathway, they must be converted to a molecule with:

1.	Two carbons	2.	Three carbons
3.	Five carbons	4.	Six carbons

6.

Identify the correct statement regarding the functioning of photosystem II?

1.	The reaction center is P700.
2.	It works after PS I in non cyclic photophosphorylation.
3.	Water splits and carbon dioxide is released.
4.	The electron vacancies in P680 are filled by electrons derived from water.

7. Consider the given two statements:

Statement I:	Except for plants in shade or in dense forests, light is rarely a limiting factor in nature.
Statement II:	There is a linear relationship between incident light and carbon dioxide fixation rates at low light intensities.

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

8.

The stroma lamellae membranes:

1.	have both PS II and NADP reductase enzyme
2.	have PS II but not NADP reductase enzyme
3.	lack PS II but have NADP reductase enzyme
4.	lack both PS II and NADP reductase enzyme

9.

In plants with nitrogen fixing bacteria (such as alfalfa or soybeans), the presence of oxygen will poison the bacterium. Which of the following acts as a natural defense against oxygen toxicity by scavenging free oxygen in these systems?

1. Hemoglobin	2. Myoglobin
3. Leghemoglobin	4. Methemoglobin

10.

Most of the water reaching the leaves:
1. is used in photosynthesis.
2. is used up in plant growth.
3. is lost by transpiration.
4. is stored in the petiole.

11.

When a plant undergoes senescence, the nutrients may be
1. Exported
2. Withdrawn
3. Translocated
4. None of the above

12.

Absorption of elements by plants happens in two phases where:
1. The first phase is rapid into the apoplast and is passive and the second phase is slow into the symplast and is active.
2. The first phase is slow into the apoplast and is passive and the second phase is rapid into the symplast and is active.
3. The first phase is slow into the apoplast and is active and the second phase is rapid into the symplast and is passive.
4. The first phase is rapid into the apoplast and is active and the second phase is slow into the symplast and is passive.

13.

Identify the plant growth regulator that, though is largely an inhibitor but, can be placed in both plant growth promoter and plant growth inhibitor groups?

1.	Auxins	2.	Gibberellins
3.	Ethylene	4.	Abscisic acid

14.

During the conversion of succinyl CoA to succinic acid in TCA cycle:
1. One molecule of ATP is directly synthesized
2. ${NAD}^{+}$ is reduced
3. FAD is reduced
4. One molecule of GTP is synthesized

15.

The stage of cellular respiration that directly involves oxygen is:

1.	glycolysis
2.	at the end of ETC
3.	Krebs cycle
4.	the phosphorylation of ADP to form ATP

16.

The pressure that must be applied to a solution to prevent the inward flow of water across a semi permeable membrane is called as:
1. Hydrostatic pressure
2. Water potential
3. Osmotic pressure
4. Osmotic potential

17.

Cohesion, adhesion and surface tension provide water with a high tensile strength that means that it:
1. is capable of rising in a thin tube
2. has a low specific heat
3. resists a pulling force
4. is a universal polar solvent

Biology 1 - Section B

18.

In inspiration during pulmonary ventilation the correct order of the given events is:
a. air flows into the lungs
b. alveolar volume increases
c. thoracic volume increases
d. pleural pressure decreases
e. alveolar pressure decreases

1.	a, b, c, d, e	2.	b, e, a, c, d
3.	c, d, b, e, a	4.	d, e, b, a, c

19. The optimum pH for the enzyme salivary amylase is:
1. 2.0
2. 6.8
3. 8.0
4. 9.1

20. Consider the given two statements:

I:	Vernalisation enables the plant to have sufficient time to reach maturity.
II:	It prevents precocious reproductive development late in the growing season.

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

21.

Chylomicrons are:

1.	small protein coated fat globules formed in the intestinal epithelium
2.	small protein coated fat globules formed in the lacteals of the villi
3.	small fat coated protein globules formed in the intestinal epithelium
4.	small fat coated protein globules formed in the lacteals of the villi

22. During swallowing [deglutition], the food is prevented from entering into the glottis by:

1. epiglottis	2. uvula
3. frenulum	4. adenoids

23.

The drug acetyl salicylic acid is quickly absorbed in:
1. Duodenum
2. Stomach
3. Jejunum
4. Ileum

24.

The alveoli are lined with:
1. Simple cuboidal epithelium
2. Pseudo-stratified columnar ciliated epithelium
3. Transitional epithelium
4. Simple squamous epithelium

25. Ethylene does not:

1.	induce flowering in mango
2.	hasten fruit ripening in tomatoes and apples
3.	retard abscission of flowers and fruits in cotton cherry and walnut
4.	promote female flowers in cucumbers

Biology 2 - Section A

26.

The change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals is called as:
1. Action potential
2. Threshold potential
3. Reversal potential
4. Excitatory post synaptic potential

27.

Which of the following recordings of blood pressure in a healthy person will be considered as normal?

1.	150/80 mmHg	2.	110/70 mmHg
3.	120/96 mmHg	4.	180/110 mmHg

28.

Which of the following is incorrect regarding emphysema?

1.	Alveolar walls are damaged
2.	There is an increase in the respiratory surface
3.	Major cause is cigarette smoking
4.	Can be caused by deficiency of Alpha-1-antitrypsin enzyme

29.

The type of joint that will allow least mobility amongst the following would be:

1.	Fibrous joint	2.	Primary cartilaginous joint
3.	Secondary cartilaginous joint	4.	Synovial joint

30.

The enzyme that activates fibrinogens in the blood is:

1.	Thromboplastin	2.	Thrombokinase
3.	Thrombin	4.	Plasmin

31.

The autonomic regulation of cardiac activity is carried out by a neural center located in:

1.	Medulla oblongata	2.	Hypothalamus
3.	Cerebrum	4.	Thalamus

32.

With respect to the red muscle fibers [Type I], the white muscle fibers [Type II] are richer in:

1.	Blood capillaries	2.	Myoglobin
3.	Sarcoplasmic reticulum	4.	Mitochondria

33.

What separates the atria from the ventricles so that the atrial impulse does not spill onto the ventricles?

1.	fibrous skeleton	2.	AV bundle
3.	visceral pericardium	4.	Purkinje fibers

34. Identify the correct statement regarding the protein shown in the given figure:

1.	It makes up the I band of the sarcomere and A is Troponin, B is Tropomyosin and C is F-actin
2.	It makes up the A band of the sarcomere and A is Troponin, B is Tropomyosin and C is F-actin
3.	It makes up the I band of the sarcomere and A is Calmodulin, B is Tropomyosin and C is G-actin
4.	It makes up the A band of the sarcomere and A is Calmodulin, B is Tropomyosin and C is F-actin

35. Urea is:
1. more toxic than ammonia
2. produced in kidneys
3. energetically more expensive to produce than ammonia
4. never present in human blood

36.

Juxtamedullary nephrons:
1. are more common than cortical nephrons
2. do not have a well developed vasa recta associated with them
3. play a very important role in concentration of urine
4. produce angiotensinogen

37.

What amount of carbon dioxide is delivered by every 100 ml of deoxygenated blood at the alveoli under normal physiological conditions?

1. 4 ml	2. 5 ml
3. 15 ml	4. 20 ml

38.

Removal rate of carbon dioxide by lungs is approximately:

1.	125 ml/minute	2.	200 ml/minute
3.	280 ml/minute	4.	325 ml/minute

39. 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.	Multipolar neuron	P.	Embryonic stage
B.	Bipolar neuron	Q.	Retina
C.	Unipolar neuron	R.	Cerebral cortex

Code:

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

40.

Identify the incorrect statement regarding proximal convoluted tubule:

1.	It is lined by simple cuboidal brush bordered epithelium
2.	It reabsorbs 70-80 % of electrolytes and water and nearly all nutrients
3.	In juxta-medullary nephrons, it extends deep into the renal medulla
4.	It secretes hydrogen ions, ammonia and reabsorbs bicarbonate ions to maintain the ionic and pH balance of the body fluids

41. Consider the given statements regarding the nodal tissue of human heart as shown in the given diagram:

I:	A is the normal pacemaker of the human heart and B is the pace-setter of the human heart.
II:	While A is made up of muscle tissue, B is made up of neural tissue.

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

42.

A bone disorder especially seen in post-menopausal women would be:

1.	Rheumatoid arthritis	2.	Rickets
3.	Bone cancer	4.	Osteoporosis

Biology 2 - Section B

43. What would be true for Z1, Z2 and Z3 as shown in the given diagram?

I. Z1 is functionally related to sympathetic neural system.
II. Only the hormones secreted by Z2 are steroids.
III. The hormone secreted by Z3 is an androgen.
IV. The hormone secreted by Z1 mainly affects the carbohydrate, lipid and fat metabolism and is a potent anti-inflammatory agent.
V. All hormones produced by Z1, Z2 and Z3 act through a second messenger on their target cells.

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

44. Identify the incorrect statement:

I:	Ovary is the primary female sex organ and testis is the primary male sex organ.
II:	Oestrogen is synthesised by the growing ovarian follicles and progesterone is secreted by the corpus luteum mainly.

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

45.

The hormones of ‘flight or fight’ response:
1. are secreted by the zona glomerulosa of adrenal cortex
2. are commonly called as catecholamines
3. are released slowly over a period of time when required
4. do not act via a second messenger system

46.

Diabetes insipidus, characterized by water loss and dehydration, is caused by:
1. Hyposecretion of ADH
2. Hypersecretion of ADH
3. Hyposecretion of insulin
4. Hypersecretion of insulin

47.

The given diagram shows a section of a part of cochlea. A, B and C respectively are:

1. Reissner’s membrane, Basilar membrane and Tectorial membrane
2. Reissner’s membrane, Tectorial membrane and Basilar membrane
3. Basilar membrane, Tectorial membrane and Reissner’s membrane
4. Tectorial membrane, Reissner’s membrane and Basilar membrane

48.

The only hormone secreted by pars intermedia of hypophysis is:

1. MSH	2. GnRH
3. Vasopressin	4. Prolactin

49.

The olfactory bulb can be regarded as the extension of:

1. Brain stem	2. Limbic system
3. Diencephalon	4. Corpora quadrigemina

50. The brain stem includes all the following except:

1.	Medulla oblongata	2.	Pons
3.	Mid brain	4.	Cerebellum

Fill OMR Sheet*

*If above link doesn't work, please go to test link from where you got the pdf and fill OMR from there

CLICK HERE to get FREE ACCESS for 2 days of ANY NEETprep course

Please be patient as the PDF generation may take upto a minute.

Fill OMR Sheet*