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Home » General Knowledge » General Science » Aptitude Test - 22
1.Name the condition in which protoplast of the plant cell shrinks away.
A. Turgid
B. Plasmolysis
C. Flaccid
D. Turgid
2.Which of the following type of solution has lower levels of solutes than the solution?
A. Isotonic
B. Hypertonic
C. Hypotonic
D. Isotonic
3.Which of the following is NOT the component of water potential?
A. Osmotic potential
B. Pressure potential
C. Gravitational potential
D. Osmotic potential
4.3. Which of the following is NOT an endocrine gland?
A. a) Hypothalamus
B. b) Pituitary
C. c) Parathyroid
D. a) Hypothalamus
5.4. Which of this statement is INCORRECT regarding the function of hormones?
A. a) Reproduction and sexual differentiation
B. b) Maintenance of internal environment
C. c) Maintain body temperature
D. a) Reproduction and sexual differentiation
6.5. Mark the one, which is NOT the precursor of the hormone?
A. a) Amino acids
B. b) Cholesterol
C. c) Phospholipids
D. a) Amino acids
7.6. What is the precursor of steroid hormone?
A. a) Protein
B. b) Cholesterol
C. c) Carbohydrate
D. a) Protein
8.7. Which of the is a fat soluble hormone?
A. a) Amine hormone
B. b) Peptide hormone
C. c) Thyroid hormone
D. a) Amine hormone
9.8. Name the hormone which is synthesized from histidine amino acid?
A. a) Histamine
B. b) Epinephrine
C. c) Norepinephrine
D. a) Histamine
10.9. Which of the following is protein hormone?
A. a) Oxytocin
B. b) Insulin
C. c) TSH
D. a) Oxytocin
11.10. Name the gland, which releases Neurohormone.
A. a) Hypothalamus
B. b) Pituitary
C. c) Thyroid
D. a) Hypothalamus
12.11. Name the hormone which takes part in the release of FSH and LH from the anterior pituitary.
A. a) Growth hormone
B. b) GnRH
C. c) Somatostatin
D. a) Growth hormone
13.12. Which of the following is Growth hormone inhibiting hormone?
A. a) FSH
B. b) TRH
C. c) GHRH
D. a) FSH
14.13. Mark the one, which is not inhibited by the effect of somatostatin.
A. a) GH
B. b) TSH
C. c) Glucagon
D. a) GH
15.14. Name the hormone, which is released by the posterior pituitary.
A. a) Oxytocin
B. b) TSH
C. c) ICSH
D. a) Oxytocin
16.The primary site of water absorption is___________
A. Phloem
B. Xylem
C. Shoot
D. Phloem
17.Which of the following is NOT the development zone of developing roots?
A. Radical zone
B. Meristematic zone
C. Elongation zone
D. Radical zone
18.Which of the following zone is also known as the root hair zone?
A. Radical zone
B. Maturation zone
C. Elongation zone
D. Radical zone
19.Which of the following zone is also known as the root hair zone?
A. Radical zone
B. Maturation zone
C. Elongation zone
D. Radical zone
20.Name of the protein, which is involved in the transfer of water across the cellular membrane?
A. Keratin
B. Alanine
C. Arginine
D. Keratin
21.What is field capacity?
A. Water holding capacity of the crop
B. Water holding capacity of soil
C. Water holding capacity of roots
D. Water holding capacity of the crop
22.Name the term which describes the plant wilt beyond recovery?
A. Saturation
B. Hypertonic
C. Permanent wilting
D. Saturation
23.Which pathway is used to transport water from the epidermis to a tracheary element of root?
A. Osmotic potential
B. Pressure potential
C. Symplastic pathway
D. Osmotic potential
24.Name the term given to the movement of water against gravitational force, from root to the aerial parts of the plant.
A. Ascent of sap
B. Root pressure
C. Radial movement
D. Ascent of sap
25.Loss of water from plants in the form of water vapour is called___________
A. Surface tension
B. Cohesion
C. Ascent of sap
D. Surface tension
26.Mark the one, which is NOT the form of transpiration?
A. Radical transpiration
B. Cuticular transpiration
C. Lenticular transpiration
D. Radical transpiration
27. Which of the following statement is NOT true regarding the cuticles of the plant?
A. Wax like covering of leaves
B. Cutin is the principal substance
C. Polymer of long chain fatty acids
D. Wax like covering of leaves
28.What are lenticels?
A. Epidermal structure
B. A wax layer of leaves
C. Opening in the bark
D. Epidermal structure
29.How much percentage of total transpiration is done by stomata?
A. 5-10
B. 90
C. 1-5
D. 5-10
30.Mark the one, which is NOT the characteristics of the guard cell?
A. Thickened inner wall
B. Connected end to end
C. Does not have chloroplast
D. Thickened inner wall
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