biology test

Biology Test 1

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Biology Test 1

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1 / 50

What is the role of progesterone hormone in women?

2 / 50

What is the risk of a colour blind child in a family when mother is colour -blind but father is normal?

3 / 50

Which of the following traits is not sex-linked recessive?

4 / 50

Glands in the endocrine system:

5 / 50

The best description of when ovulation occurs in the human is:

6 / 50

Ethene

7 / 50

Chemotherapy:

8 / 50

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

9 / 50

Prior to maturation and ejaculation, sperms are stored in the:

10 / 50

A neuron with its axon connected to another neuron and its dendrites connected to a receptor:

11 / 50

Metabolic water is:

12 / 50

Double helical structure of DNA was proposed by:

13 / 50

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

14 / 50

What is the average weight of the human heart?

15 / 50

Which of the followings are formed during gastrulation?

16 / 50

Planaria has:

17 / 50

Pseudopodia:

18 / 50

The role of cytoplasm in development is:

19 / 50

Which stage of the human life cycle occurs first?

20 / 50

Which type of tissue enables a person’s fingers to move as he or she plays the piano?

21 / 50

What is the total body weight of human skeleton?

22 / 50

All other chromosomes except X and Y chromosomes are called:

23 / 50

DNA was first discovered in 1869 by:

24 / 50

What proportion of UV radiation from the sun normally absorbed by the atmospheric layer of ozone?

25 / 50

The term niche was first proposed by:

26 / 50

Fungi animals and plants may consist of up to?

27 / 50

Cell death:

28 / 50

Turner’s syndrome

29 / 50

Vegetative propagation does not involve:

30 / 50

Which of the following pollutants causes ozone holes in the ozone layer?

31 / 50

Lactic acid fermentation takes place In

32 / 50

What is a chromatid?

33 / 50

Birds maintain their body temperature within a range of:

34 / 50

The three primary soil macronutrients are:

35 / 50

The allele that masks the effects of the other and the masked allele are known as:

36 / 50

Which among the followings is not a major use of CFCs?

37 / 50

Human chromosomes have how many nucleotides?

38 / 50

------have a limited number of organelles?

39 / 50

The hormone involve in birth is:

40 / 50

Analogous structures:

41 / 50

The process by which the sperms are produced is known as:

42 / 50

Which one of the following structures is haploid?

43 / 50

The condition of small skull is:

44 / 50

Which of the following is a phase of mitosis?

45 / 50

The interstitial cells are found:

46 / 50

Mango plant is:

47 / 50

The highest part of the nervous system is:

48 / 50

The liver is:

49 / 50

Excessive production of thyroid hormones by the thyroid gland:

50 / 50

What is the mixed gland of the human body?

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