biology test

Biology Test 2

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Biology Test 2

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1 / 50

The total amount of energy that is converted to organic compounds in a given area per unit of time is called the:

2 / 50

Grassland in tropic climates have woody trees and are called

3 / 50

What is the role of progesterone hormone in women?

4 / 50

Nitrogen makes following percent of gases in atmosphere:

5 / 50

How many senses does a human have?

6 / 50

A series of mitotic divisions which take place in a zygote are called:

7 / 50

The theory of natural selection says:

8 / 50

How many bones are present in human ears?

9 / 50

In which phase does the growth of bacteria take place?

10 / 50

The shuffling of alleles due to meiosis and random fertilization having no effect on over all genetic structure of a population signifies:

11 / 50

Vegetative propagation does not involve:

12 / 50

Which of the followings is mismatched?

13 / 50

The mechanism of evolution called “natural selection” was proposed by:

14 / 50

Planaria has:

15 / 50

Deserts generally occur in region where annual rain fall is less than:

16 / 50

During emergencies, the “fight-or-flight” response:

17 / 50

Which one doesn't belong to microtubules?

18 / 50

Which of the following statements is true about Unio?

19 / 50

The color of xanthophyll is:

20 / 50

The forest of the world have been reduced by:

21 / 50

Are fungi predominantly diploid or haploid?

22 / 50

In which type of fungi asexual reproduction is absent :

23 / 50

How many ribs are present in the human body?

24 / 50

How many calories are in fat……………..?

25 / 50

When the kinetochore fibers contract and microtubules elongate, the cell is present in which stage of mitosis?

26 / 50

Nutrition deficiency

27 / 50

Glands in the endocrine system:

28 / 50

What is the amount of blood contain in the human body?

29 / 50

Blood received from each kidney is …….

30 / 50

The largest desert in the world is:

31 / 50

An adult human endoskeleton consists of:

32 / 50

 Albumin is the most important protein in blood serum. It is produced by

33 / 50

Homologous structures:

34 / 50

The term Auxin was coined by:

35 / 50

Which of the following gasses is released during the process of respiration?

36 / 50

Muscles are attached to bones by:

37 / 50

Which of the followings are producers?

38 / 50

The body’s normal metabolic rate is regulated by:

39 / 50

Bile:

40 / 50

Fatal heart attacks in a young

41 / 50

Plant need…………..type of nutrient light for photosynthesis?

42 / 50

Which of the following is not aging?

43 / 50

According to endosymbiotic theory mitochondria is:

44 / 50

Which of the followings is characteristic of parasitism?

45 / 50

Carnivores represent what trophic level?

46 / 50

What is the name of covering the central nervous system?

47 / 50

Which structure is formed as a result of sexual reproduction in Zygomycetes?

48 / 50

Long term regulations of activities are brought in plants by?

49 / 50

The main objection on Lamarckism was that:

50 / 50

Pachytene is a

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