MCQs Botany-6

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

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

3. ___________ are specialized resting stages formed by some cyanobacteria

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

5. ___________ phenomenon describes the light production by living organisms

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

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

8. Photosynthetic pigmented organelles within plastids are called ___________-

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

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

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

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

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

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

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

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

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

18. ___________ organisms prefer moderate temperature

19. In angiosperms, sporophyte generation is ________________

20. Gymnosperms have been originated about __________________million years ago