Plant growth and development-1 (NEET-2025)

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

Name *

1. Which part of plant have limited growth: *

4 points

(A) Leaves

(B) Flowers

(D) All

2. Which is not true for growth? *

4 points

(A) Reversible

(B) Increase in size of an organ

(D) Increase in individual cell

3. During growth all occur except *

4 points

(A) Anabolic process occur

(B) Catabolic process occur

(D) No expenditure of energy

4. Plants retain the capacity for unlimited growth throughout their life because *

4 points

(A) No differentiation occur

(B) Due to the presence of meristems at certain locations in their body

(D) Dead cells are absent in Plants

5. Open form of growth means *

4 points

(A) Wherein new cells are always being added to the plant body by the activity of the Permanent cell

(B) Form of growth wherein new cells are always being added to the plant body by the activity of the meristem

(D) Plant is open to divide

6. …………. Contribute to the elongation of the plants along their axis *

4 points

(A) Lateral meristem

(B) Root apical meristem and the Shoot apical meristem

(D) All of the above

7. Lateral meristems, vascular cambium and cork-cambium appear later in life in plants ……… *

4 points

(A) Gymnosperm

(B) Algae

(D) Both (A) & (C)

8. Mark the wrongly matched *

4 points

(A) Cork cambium – secondary meristem

(B) Shoot Apical meristem – Primary meristem

(D) Plant Growth – Closed

9. Difficult to measure directly: *

4 points

(A) Increase in fresh weight

(B) Increase in dry weight

(D) Increase in protoplasm amount

10. Mark the wrongly matched for Growth in different Plant parts *

4 points

(A) Growth in Dorsiventral leaf – increase in surface area

(B) Pollen tube growth - measured in terms of its length

(D) Maize root apical meristem – increase in cell number

11. The period of growth is generally divided into three phases in which order *

4 points

(A) Meristematic, Elongation and Maturation

(B) Maturation, Elongation and Meristimatic

(D) Meristematic, Maturation and Elongation

12. The cells in meristematic region are all except *

4 points

(A) Rich in protoplasm

(B) Possess large conspicuous nuclei

(D) Thin and cellulosic with less plasmodesmetal connections

13. Phase of elongation have feature *

4 points

(A) Increased vacuolation

(B) Cell enlargement

(D) All of the above

14. Protoplasmic modifications occur in ………… zone of growth *

4 points

(A) Meristematic

(B) Elongation

(D) Dividing cell zone

15. Increase in girth of dicot stem and root caused by *

4 points

(A) Vascular cambium

(B) Root apical meristem

(D) Primary meristem

16. The typical growth curve in plants is:
*

4 points

1. sigmoid

2. linear

3. stair-steps shaped

4. parabolic

17. For tea plantations, hedge-making, which of the following PGR is used?
*

4 points

1.Auxins

2.Cytokinins

3.GA3

4.ABA

18. Regarding Auxins find the odd one.
*

4 points

1.Initiate rooting in stem cuttings

2.Promote flowering e.g. Pineapples

3.Prevent fruit and leaf drop at early stages

4.Prevent the abscission of older mature leaves and fruit

19. ……...is the site of transmittable influence that caused the bending of the entire……..
*

4 points

1.Coleorrhiza

2.Coleoptile

3.Auxin

4.Scutellum

20. One of the synthetic auxin is
*

4 points

1. 2,4 D

2. IAA

3. GA

4. IBA

Submit

Clear form

Never submit passwords through Google Forms.

This content is neither created nor endorsed by Google. - Terms of Service - Privacy Policy

Does this form look suspicious? Report

Forms