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Hassan
1.6. What is the precursor of steroid hormone?
A. a) Protein
B. b) Cholesterol
C. c) Carbohydrate
D. a) Protein
2.7. Which of the is a fat soluble hormone?
A. a) Amine hormone
B. b) Peptide hormone
C. c) Thyroid hormone
D. a) Amine hormone
3.8. Name the hormone which is synthesized from histidine amino acid?
A. a) Histamine
B. b) Epinephrine
C. c) Norepinephrine
D. a) Histamine
4.9. Which of the following is protein hormone?
A. a) Oxytocin
B. b) Insulin
C. c) TSH
D. a) Oxytocin
5.10. Name the gland, which releases Neurohormone.
A. a) Hypothalamus
B. b) Pituitary
C. c) Thyroid
D. a) Hypothalamus
6.11. 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
7.12. Which of the following is Growth hormone inhibiting hormone?
A. a) FSH
B. b) TRH
C. c) GHRH
D. a) FSH
8.13. Mark the one, which is not inhibited by the effect of somatostatin.
A. a) GH
B. b) TSH
C. c) Glucagon
D. a) GH
9.14. Name the hormone, which is released by the posterior pituitary.
A. a) Oxytocin
B. b) TSH
C. c) ICSH
D. a) Oxytocin
10.The primary site of water absorption is___________
A. Phloem
B. Xylem
C. Shoot
D. Phloem
11.Which of the following is NOT the development zone of developing roots?
A. Radical zone
B. Meristematic zone
C. Elongation zone
D. Radical zone
12.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
13.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
14.Name of the protein, which is involved in the transfer of water across the cellular membrane?
A. Keratin
B. Alanine
C. Arginine
D. Keratin
15.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
16.Name the term which describes the plant wilt beyond recovery?
A. Saturation
B. Hypertonic
C. Permanent wilting
D. Saturation
17.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
18.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
19.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
20.Mark the one, which is NOT the form of transpiration?
A. Radical transpiration
B. Cuticular transpiration
C. Lenticular transpiration
D. Radical transpiration
21. 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
22.What are lenticels?
A. Epidermal structure
B. A wax layer of leaves
C. Opening in the bark
D. Epidermal structure
23.How much percentage of total transpiration is done by stomata?
A. 5-10
B. 90
C. 1-5
D. 5-10
24.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
25.Which light modulates osmoregulation of guard cell?
A. Green
B. Orange
C. Red
D. Green
26.What is guttation?
A. Exudation of xylem sap
B. Root pressure
C. Radial movement
D. Exudation of xylem sap
27.Name the specialized pores from where guttation takes place.
A. Stomata
B. Hydathodes
C. Guard cell
D. Stomata
28.Which of the following statement is INCORRECT for transpiration?
A. It occurs by stomata, lenticels, and cuticle
B. Water comes out as water vapour
C. It occurs in all plants
D. It occurs by stomata, lenticels, and cuticle
29.Those elements whose absence prevent plants from completing its life cycle are called___________
A. Micro element
B. Macro element
C. Nonessential elements
D. Micro element
30.Which one of the following is NOT a criteria for an element to be called as essential?
A. These elements need not to take part in growth and development
B. The function of an element must not be replaceable
C. The element should be involved in plant metabolism
D. These elements need not to take part in growth and development
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