Biology General Knowledge Quiz – Learn Biology – GK Quiz part 14

0

Biology Quiz General Knowledge part 14

Biology Quiz

 

Biology Quiz Questions Part 1 – General Knowledge

 

1. Which is the first oxygen producing organism?

Autotrophic cyanobacteria

 

2. How much biosphere extends to the distance?

22.5 Km

 

3. How the populations of different species are is kept under check?

By food chain

 

4. Who is the most recent and most highly evolved amongst organisms?

Human species, Homo sapiens

 

5. What two special characteristics are found in human beings which have made them masters?

Highly evolved brain, skilled hand

 

6. What is nebula?

It is the name of cold cosmic cloud of dust and gas which is believed to condense and form star, planets and their satellites

 

7. Who first put forward the nebular hypothesis of origin of solar system?

Kant

 

8. What helped in forming different types of organic compounds on earth from inorganic salts, minerals and gases in beginning?

High temperature, ultra-violet rays and lightning

 

9. Who first proposed that life originated from non-living substances through chemical processes?

Oparin

 

10. What is the name of the theory that believes life originated from inorganic substances through chemical processes?

Physico-chemical theory/ Naturalistic theory/ Theory of Chemosynthetic origin

 

Biology Quiz – General Knowledge Part – 2

 

11. Why were the first organisms an aerobic?

The atmosphere of the earth did not possess oxygen at that time

 

12. When did prokaryotes originate on earth?

4200 million years back

 

13. When in the history of earth did eukaryotes develop?

1600-million years back

 

14. What four features constitute the basic unity of all living beings?

Cell structure, metabolism, replication and homeostasis

 

15. Which is the smallest angiosperm?

Wolffia arrhiza

 

16. What peculiarity is found in cicada?

It lives for seventeen years but leads an active life of only five weeks.

 

17. What are the three components of earth?

Hydrosphere, Lithosphere, Atmosphere

 

18. What is the name of the theory which believes that life originated somewhere else and it came to earth through meteorites?

Cosmozoic or interplanetary theory

 

19. What discovery formed the basis of agriculture?

Seeds are the source of replenishment of plants

 

20. What is the major role of reproduction in nature?

Perpetuation of the race

 

Biology Quiz Answers Part 3 – General Knowledge

 

21. What is the common name of Agaricus?

Mushroom

 

22. What is the name of the fruit body of polyporus?

Basidiocarp

 

23. What are Fronds?

The pinnately compound leaves of fern are called fronds

 

24. What is Agrostology?

The study of grasses is called Agrostology

 

25. Plants that grow in water are called hydrophytes. What name is given to plants that grow in desert conditions?

Xerophytes

 

26. What is cambium?

Elongated cells in between xylem a d phloem in dicot plants constitute cambium

 

27. What is the name of the process of photosynthesis – constructive or destructive?

Constructive

 

28. Which gas is evolved during photosynthesis?

Oxygen

 

29. Write the name of various medical plants:

Rauwolfia Serpentina, Vinca Rosea, Cinchona, Foxglove, Black mulberry, Ocimum Sanctum

 

30. What is the importance of Foxglove?

For Heart stimulant

 

Read 120 Biology Questions Answers and General Knowledge

You might also like More from author

Leave A Reply

Your email address will not be published.