Biology Test 87

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Biology Test 87

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following statement incorrect about parturition in human?

A
Signals for parturition originate from fully develop foetus and placenta

B
It is a complex neuroendocrine mechanism.

C
Oxytocin induces myometrium contraction

D
Decrease in estrogen and progesterone ratio
Question 2
4 / -1

Major conduit for energy flow in tropical rain forest, is :-

A
Parasitic food chain

B
Detritus food chain

C
Grazing food chain

D
All of the above
Question 3
4 / -1

Rate of transpiration is increased by increasing all except :-

A
Atmospheric humidity

B
Wind velocity

C
Light

D
Temperature
Question 4
4 / -1

Steroid hormones binds with ______ receptors and promotes ______ synthesis where protein hormones binds with _____ receptors.:-

A
Cytoplasmic , carbohydrate, intranuclear

B
Intranuclear, Protein, Cytoplasmic

C
Intranuclear, protein, cell membrane

D
Cell membrane, Carbohydrate, intranuclear
Question 5
4 / -1

A botany student encountered a palm like, short tree with pinnately compound leaves with sessile leaflets bearing mid rib but no lateral veins. Unbranched stem has persistent woody leaf bases. The plant has to be :-

A
Cycas

B
Pinus

C
Dryopteris

D
Cedrus
Question 6
4 / -1

How many of the following tissues are secondary in origin ?

Intra fascicular cambium, Inter fascicular cambium, Cork cambium, Marginal meristem, Root apical meristem.

A
One

B
Two

C
Three

D
Four
Question 7
4 / -1

During translation peptide bond is formed between :-

A
P site amino acid –NH₂ and A site amino acid –COOH

B
A site amino acid –COOH and P site amino acid –NH₂

C
P site amino acid –COOH and A site amino acid –COOH

D
P site amino acid –COOH and A site amino acid –NH₂
Question 8
4 / -1

Which of the following taxonomic aid is useful only in case of plants ?

A
Museum

B
Key

C
Herbarium

D
Zoological park

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Re-Attempt Weekly Quiz Competition

Biology Test 87

Result

Biology Test 87

Score

-

Rank

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SHARING IS CARING

Question 1

Signals for parturition originate from fully develop foetus and placenta

It is a complex neuroendocrine mechanism.

Oxytocin induces myometrium contraction

Decrease in estrogen and progesterone ratio

Question 2

Parasitic food chain

Detritus food chain

Grazing food chain

All of the above

Question 3

Atmospheric humidity

Wind velocity

Light

Temperature

Question 4

Cytoplasmic , carbohydrate, intranuclear

Intranuclear, Protein, Cytoplasmic

Intranuclear, protein, cell membrane

Cell membrane, Carbohydrate, intranuclear

Question 5

Cycas

Pinus

Dryopteris

Cedrus

Question 6

One

Two

Three

Four

Question 7

P site amino acid –NH2 and A site amino acid –COOH

A site amino acid –COOH and P site amino acid –NH2

P site amino acid –COOH and A site amino acid –COOH

P site amino acid –COOH and A site amino acid –NH2

Question 8

Museum

Key

Herbarium

Zoological park

User

Question Analysis

My Perfomance

Score

-

Rank

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P site amino acid –NH₂ and A site amino acid –COOH

A site amino acid –COOH and P site amino acid –NH₂

P site amino acid –COOH and A site amino acid –NH₂