MCQs Botany-6

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

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

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

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

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

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

7. In angiosperms, sporophyte generation is ________________

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

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

10. ___________ phenomenon describes the light production by living organisms

11. Gymnosperms have been originated about __________________million years ago

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

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

14. ___________ are specialized resting stages formed by some cyanobacteria

15. ___________ organisms prefer moderate temperature

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

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

18. Photosynthetic pigmented organelles within plastids are called ___________-

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

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