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Biology Quiz 21

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Biology Quiz 21

1 / 50

PS I has chlorophyll a molecule which absorbs maximum light of _________ nm ?

2 / 50

The name animal is derived from the word__________?

3 / 50

Percentage of CO2 carried as carboxyhaemoglobin is_________?

4 / 50

Which of the following organisms have Chitin as a major structural component of their cell wall________________?

5 / 50

Secondary cell wall of sclerenchyma cells is impregnated with_________________?

6 / 50

S-band locomotion is characteristically seen in___________?

7 / 50

Golden brown colour of diatoms is due to presence of__________?

8 / 50

Which of the following bacteria do not have flagella commonly__________?

9 / 50

Which of the following organ is responsible for blood filtration:

10 / 50

Muscle fatigue occurs due to accumulation of___________?

11 / 50

Maintenance of normal resting potential via movement of K+ inside the cell and na+ out is a/an ___________ process?

12 / 50

Tobacco mosaic virus is__________?

13 / 50

Amphibians are considered to be evolved from___________?

14 / 50

Rich source of energy in seimen is__________?

15 / 50

The type of learning in which there is loss or decrease in response to repeated stimuli?

16 / 50

The hepatic portal vein drains blood to liver from___________?

17 / 50

Which one is not correct for a productive theory?

18 / 50

BOD refers to the __________?

19 / 50

If a man having blood group AB marries a woman who is heterozygous for blood group, what is the probability of their first child having blood group B?

20 / 50

ATP is a an important molecule for its major function___________?

21 / 50

Which of the following are connective tissues?

22 / 50

Which is an organic compound found in most cells ?

23 / 50

A genome is___________?

24 / 50

Malonic acid is an example of____________?

25 / 50

Amoeboid movements and movement of cyclosis is due to_________?

26 / 50

Masses of dilated tortuous veins in the anorectal mucosa are known as___________?

27 / 50

The first action spectrum was obtained by___________?

28 / 50

Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?

29 / 50

Dipeptides into amino acids are are converted through_____________?

30 / 50

A decrease in the rate of beating of heart is called__________?

31 / 50

Equistem is an example of___________?

32 / 50

Humans can hear in the range of ______ to _______Hertz (Hz).?

33 / 50

Which of the following are proteins in nature?

34 / 50

Vaccine was first developed by_______________?

35 / 50

60S and 40S subunit combine to form ________ particle.

36 / 50

The liquid that escapes during defrosting frozen meat contains _____ bacteria?

37 / 50

Mycorrhizae are found in about__________vascular plants?

38 / 50

A joint formed between humerus, radius and ulna is an example of__________?

39 / 50

Organisms of which of the following kingdom have absorptive mode of nutrition______________?

40 / 50

Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?

41 / 50

In Urea cycle __________ ammonia molecules combine with 1 CO2 molecule to form 1 molecule of urea.

42 / 50

Alternation of generations is absent in___________?

43 / 50

All of the following are involved in nitrification except

44 / 50

The main nitrogenous waste formed in the body of earthworm is/are___________?

45 / 50

The basic structural unit of a chromosome is____________?

46 / 50

Pick the odd one out

47 / 50

Adult birds normally possess only one functional____________?

48 / 50

Ferns are included in__________?

49 / 50

The greatest diversity of animals in the lake is found in which one of the following zones?

50 / 50

Which of the following statement about fatigue is correct?

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