Scientific knowledge | Biology important questions with answers

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1) Red color of carrot and tomato is due to:

      ✍ anthocyanin 

2) P.H of human blood is 

      ✍ 7.4

3) Largest organ inside human body is:

      ✍ Liver 

4) Largest organ of human body is:

      ✍ skin

5) What is celluloses:

      ✍ Carbohydrates

6) The smallest of all human cells are:

      ✍ Sperm

7) No of bones in human body is:

      ✍ 206

8) Smallest unit of life is:

      ✍ Cell

9) Red blood cells have no:

      ✍ Nucleus

10) White blood cells are also known as:

       ✍ Leucocytes

11) Red blood cells are also known as:

       ✍ Erythrocytes

12) Life appeared on earth about:

       ✍ 3 billion years ago

13) When earth was formed its atomsphere were composed of:

       ✍ Water vapour, ammonia and Methane

14) Biochemical organ of life is discovered by:

       ✍ Oparin

15) Group of cells are termed as:

       ✍ Tissue

16) Kingdom fungi are known as:

       ✍ Decomposer

17) Which cell organelles not participate in cell division:

       ✍ Ribosomes

18) Longest bone in human body is:

       ✍ Femur

19) Shortest bone in human body is:

       ✍ Stapes

20) Most important food is derived from:

       ✍ Fruits

21) After human most intelligent mammal is:

       ✍ Dolphins

22) Prokaryot doesn't possess:

       ✍ Nucleus

23) Eukaryot has a:

       ✍ Nucleus

24) In bacterial cell..............is not found:

       ✍ Golgi apparatus

25) ................Is found in plant cell while in animal cell it is absent.

       ✍ Cell wall

26) Jelly like structure found inside the cell are reffered as.

       ✍ Cytoplasm

27) Which part of cell makes proteins:

       ✍ Ribosomes

28) Most important stimulant in tea leaves:

       ✍ Caffeine

29) First cloned sheep was discovered by:

       ✍ Dolly

30) Which part of cells process packages and export proteins.

       ✍ Golgi apparatus

31) Colored part of eye is called

      ✍ Iris

32) Tubes that carry away blood from heart is called:

      ✍ Arteries

33) Tiny bumps on tongue is called is:

       ✍ Taste.


# Cathz SK

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