MCQs Botany-6

1. ___________ is a type of plastids associated with the storage of oils and fats in the plants

2. Organisms that can tolerate high temperature (45-65 °C) are called _____________

3. Gymnosperms have been originated about __________________million years ago

4. _________ are photosynthetic pigments that absorb light energy and transfer it to a reaction center of “chlorophyll a”.

5. ___________ phenomenon describes the light production by living organisms

6. _________are living organisms that exist solely at the organelle level of organization

7. ___________ are specialized resting stages formed by some cyanobacteria

8. Bristlecone Pines is known for its longevity, with record life of ________ years

9. ___________ organisms that can tolerate high salts in the environment

10. Vascular plants, with specialized tissues for transporting water and nutrients, appeared during __________ million years ago

11. If leaf lamina is segmented into more than one plane then the leaf is known as_____________

12. In angiosperms, sporophyte generation is ________________

13. ___________ are non-motile spores produced by some algae and protists

14. ___________ are thick-walled spores, resistant to extremes of environments

15. Concerns surrounding genetically modified organisms (GMOs) primarily focus on _____________

16. ___________ deals with the direct manipulation of an organism’s genetic makeup to introduce new traits or modify existing ones

17. ___________ are spores produced by a single parent cell during asexual reproduction

18. Photosynthetic pigmented organelles within plastids are called ___________-

19. ___________ organisms prefer moderate temperature

20. _______ is the fusion of two non-flagellated gametes