[OBJECTIVE]
Subject: Botany-IV (Plant Physiology and Ecology)
Time Allowed: 10 Minutes
Maximum Marks: 10
NOTE: Attempt this Paper on this Question Sheet only. Please encircle the correct option. Division of marks is given in front of each question. This Paper will be collected back after expiry of time limit mentioned above.
Part-I Encircle the correct option, cutting and overwriting is not allowed. (10)
1. The outer solution having equal concentration as that of the cell sap is called
(A) Hypotonic solution (B) Isotonic solution
(C) Hypertonic solution (D) Neutral solution
2. The leaves turn and become yellow due to deficiency of:
(A) Na (B) K
(C) Ca (D) Fe
3. ________ is precursor for abscissic acid (ABA)
(A) Zeatin (B) Lutein
(C) Violaxanthin (D) Mevalonic acid
4. Which of the followings is trace element?
(A) Ca (B) K
(C) Mg (D) Cu
5. To produce 3 glucose molecules ____ ATP and ____ NADPH2 molecules are required.
(A) 54, 36 (B) 54, 30
(C) 36, 60 (D) 18, 12
6. Seed dormancy is due to the:
(A) Ethylene (B) Absvisic acid
(C) SAA (D) Starch
7. Which of the following is NOT a Nastic movement?
(A) Photonasty (B) Theremonasty
(C) Seismonasty (D) Phytonasty
8. The bottom area where production is less than respiration in a pond ecosystem is termed as
(A) Profunda! zone (B) Tidal zone
(C) Benthic zone (D) Limnetic zone
9. The ability of a population to increase under idcal cnvironmental conditions is called
(A) Natality (B) Carrying capacity
{C) Biotic potential (D) Absolute natality
10. In an ecosystem, the energy flow is always
(A) Always unidirectional (B) Always bidirectional
(C) In any direction (D) Always down directional
1. The outer solution having equal concentration as that of the cell sap is called
(A) Hypotonic solution (B) Isotonic solution
(C) Hypertonic solution (D) Neutral solution
2. The leaves turn and become yellow due to deficiency of:
(A) Na (B) K
(C) Ca (D) Fe
3. ________ is precursor for abscissic acid (ABA)
(A) Zeatin (B) Lutein
(C) Violaxanthin (D) Mevalonic acid
4. Which of the followings is trace element?
(A) Ca (B) K
(C) Mg (D) Cu
5. To produce 3 glucose molecules ____ ATP and ____ NADPH2 molecules are required.
(A) 54, 36 (B) 54, 30
(C) 36, 60 (D) 18, 12
6. Seed dormancy is due to the:
(A) Ethylene (B) Absvisic acid
(C) SAA (D) Starch
7. Which of the following is NOT a Nastic movement?
(A) Photonasty (B) Theremonasty
(C) Seismonasty (D) Phytonasty
8. The bottom area where production is less than respiration in a pond ecosystem is termed as
(A) Profunda! zone (B) Tidal zone
(C) Benthic zone (D) Limnetic zone
9. The ability of a population to increase under idcal cnvironmental conditions is called
(A) Natality (B) Carrying capacity
{C) Biotic potential (D) Absolute natality
10. In an ecosystem, the energy flow is always
(A) Always unidirectional (B) Always bidirectional
(C) In any direction (D) Always down directional
