Biology Test 98

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Biology Test 98

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Weekly Quiz Competition

Question 1
4 / -1

Which of following statement is not incorrect regarding the parturition ?

A
The signals for parturition originate from fully developed foetus & ovary

B
Relaxin harmone relaxes the pubic symphysis during parturition

C
Thyroxine is main parturition harmone

D
HCG is responsible for labour pain
Question 2
4 / -1

In IVF technique which one is for IUT?

A
Zygote

B
8 blastomere stage only

C
Embryo with more than 8 blastomeres

D
Zygote or early embryo
Question 3
4 / -1

The first evolved prokaryotes were probably :-

A
Chemoautotroph & Aerobic

B
Chemoheterotroph & Anaerobic

C
Organic photosynthetic bacteria

D
Chemoautotroph & Anaerobic
Question 4
4 / -1

Two key concepts of Darwinians theory –

A
Branching descent, mutation

B
Natural selection, Struggle for existence

C
Natural selection, Branching descent

D
Branching descent, variations
Question 5
4 / -1

Which of the following statements with respect to human evolution is true ?

A
Australopithecus lived in east african grasslands

B
Homo habilis evolved before australopithicines

C
Neanderthals started domestication of animals

D
Ramapithecus were common ancestor of ape and man
Question 6
4 / -1

The ....(A).... cells themselve do not secrete antibodies but help ....(B).... cells to produce them. Identify (A) & (B) respectively

A
B-cell and T-cell

B
Macrophage and B-cell

C
Macrophage and T-cell

D
T-cell and B-cell
Question 7
4 / -1

The basic difference between a cancer cell and a normal cell is :-

A
Cancer cells divide continuously but normal cell do not divide.

B
Normal cell is bigger than cancer cells

C
Normal cells are immortal but cancer cells are mortal

D
Cancer cells divide but do not differentiate like normal cells
Question 8
4 / -1

Normal duration of P–P internal is ?

A
8 sec

B
0.8 sec

C
0.04 sec

D
4 sec
Question 9
4 / -1

Read the following statements and identify the incorrect statements.

(A) Hapatitis-B and HIV both are STD.

(B) Cancer cells shows contact inhibition.

(C) Smoking can increase the incidence of cancer of urinary bladder.

(D) Window period for AIDS is about 5-10 years.

(E) Biopsy test used in diagnosis of malaria.

A
B,C,D and E

B
B,C and E

C
B,D and E

D
D and E
Question 10
4 / -1

Outcrossing is an important strategy of animal husbandry because it :

A
exposes harmful recessive genes that are eliminated by selection

B
is useful in overcome inbreeding depression

C
is the best breeding method for animals that are below average in productivity in milk production

D
Both (2) and (3)

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Re-Attempt Weekly Quiz Competition

Biology Test 98

Result

Biology Test 98

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SHARING IS CARING

Question 1

The signals for parturition originate from fully developed foetus & ovary

Relaxin harmone relaxes the pubic symphysis during parturition

Thyroxine is main parturition harmone

HCG is responsible for labour pain

Question 2

Zygote

8 blastomere stage only

Embryo with more than 8 blastomeres

Zygote or early embryo

Question 3

Chemoautotroph & Aerobic

Chemoheterotroph & Anaerobic

Organic photosynthetic bacteria

Chemoautotroph & Anaerobic

Question 4

Branching descent, mutation

Natural selection, Struggle for existence

Natural selection, Branching descent

Branching descent, variations

Question 5

Australopithecus lived in east african grasslands

Homo habilis evolved before australopithicines

Neanderthals started domestication of animals

Ramapithecus were common ancestor of ape and man

Question 6

B-cell and T-cell

Macrophage and B-cell

Macrophage and T-cell

T-cell and B-cell

Question 7

Cancer cells divide continuously but normal cell do not divide.

Normal cell is bigger than cancer cells

Normal cells are immortal but cancer cells are mortal

Cancer cells divide but do not differentiate like normal cells

Question 8

8 sec

0.8 sec

0.04 sec

4 sec

Question 9

B,C,D and E

B,C and E

B,D and E

D and E

Question 10

exposes harmful recessive genes that are eliminated by selection

is useful in overcome inbreeding depression

is the best breeding method for animals that are below average in productivity in milk production

Both (2) and (3)

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