Biology Test

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Biology Test - 46

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following statements is correct about the pineal gland?

A

It secretes growth hormones that control the growth of human body.

B

The pineal gland is a small endocrine gland in the vertebrate brain.

C

It regulates the secretion of hormones from the pituitary gland.

D

It secretes a hormone that controls the rate of metabolism.
Question 2
1 / -0

What do we call the taxonomical aid used for identification of plants and animals based on their similarities and dissimilarities?

A

Key

B

Botanical garden

C

Zoological park

D

Herbarium
Question 3
1 / -0

The inflorescence observed in carrot and parsley is

A

spike

B

spikelet

C

spadix

D

umbel
Question 4
1 / -0

The number of base pairs present in each turn (pitch) of B form of DNA helix is

A

11

B

9

C

10.5

D

12
Question 5
1 / -0

For entry into Krebs cycle, pyruvate formed during glycolysis is converted into

A

acetyl CoA

B

glucose

C

glyceraldehyde phosphate

D

lactic acid
Question 6
1 / -0

Plant genes of endangered species are stored

A

Gene bank

B

Gene library

C

Herbarium

D

None of these
Question 7
1 / -0

Among the types of muscle tissues, which of the following is not a property of smooth muscles?

A

Cell junctions fuse the plasma membranes of these muscle cells, making them stick together.

B

The smooth muscles are bundled together in a connective tissue sheath.

C

The fibres of these muscles taper at both ends.

D

The walls of internal organs of organisms contain this type of muscle tissues.
Question 8
1 / -0

Which of the following does not belong to the category of contraceptive methods?

A

Surgical

B

Barrier

C

MTP

D

Oral
Question 9
1 / -0

Metabolic activities in Paramecium are controlled by

A

micronucleus

B

macronucleus

C

Both micronucleus and macronucleus

D

None of these
Question 10
1 / -0

Polysomy of sex chromosomes in an individual is induced by successive nondisjunctions in meiosis I and II. Polysomy in which of the following chromosomes causes squamous cell carcinoma in human beings?

A

Chromosome 7

B

Chromosome 17

C

Tetrasomy 9p

D

Tetrasomy 18p

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Re-Attempt Weekly Quiz Competition

Biology Test - 46

Result

Biology Test - 46

Score

-

Rank

-

SHARING IS CARING

Question 1

It secretes growth hormones that control the growth of human body.

The pineal gland is a small endocrine gland in the vertebrate brain.

It regulates the secretion of hormones from the pituitary gland.

It secretes a hormone that controls the rate of metabolism.

Question 2

Key

Botanical garden

Zoological park

Herbarium

Question 3

spike

spikelet

spadix

umbel

Question 4

11

9

10.5

12

Question 5

acetyl CoA

glucose

glyceraldehyde phosphate

lactic acid

Question 6

Gene bank

Gene library

Herbarium

None of these

Question 7

Cell junctions fuse the plasma membranes of these muscle cells, making them stick together.

The smooth muscles are bundled together in a connective tissue sheath.

The fibres of these muscles taper at both ends.

The walls of internal organs of organisms contain this type of muscle tissues.

Question 8

Surgical

Barrier

MTP

Oral

Question 9

micronucleus

macronucleus

Both micronucleus and macronucleus

None of these

Question 10

Chromosome 7

Chromosome 17

Tetrasomy 9p

Tetrasomy 18p

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My Perfomance

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