Question # 1

Vertebrates that develop embryonic membranes around their embryo called

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Amniotes

Abamniotes

Embryotes

None of these

Number of amino acids in each turn of alpha helix is

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3.6

4.6

5.6

6.6

The percentage of lipids is plasma membrane is.

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60- 80 %

20-40%

30 - 60%

10-20%

Double fertilization is a characteristic of.

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Bryophytes

Gymnosperms

Angiosperms

Mosses

Asthma is associated with severe paroxysm of difficult.

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Sleeping

Walking

spoking

Breathing

A disease which is highly contagious is.

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Measles

Mumps

Herps

None of these

The percentage by weight of RNA in a bacterial cells is

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0.25%

3%

5%

6%

80% of total RNA in the cell comprises of.

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mRNA

tRNA

rRNA

RNA -DNA Hybrid

A bacteria with single polar flagellumis called.

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Atrichous

Monotrichous

Amphitrichous

Lophotrichous

Tiny thin walled ducts called parabronchi are present in the lungs of.

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Mammals

Reptile

Birds

Amphibians

When blood leaves the capillary bed most of the carbon dioxide is in the form of

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Carbonate ions

Bicarbonate ions

Hydrogen ions

Hydroxyl ions

No of chromosomes in Honey bee are.

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6

20

32

40

Maximum speed of nerve impulse transmission is

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100 m/s

110 m/s

120 m/s

130 m/s

Pentose sugar in the molecule of DNA is

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Ribose

Deoxyribose

Sucrose

Lactose

The fusion of four posterior vertebrae present in the pelvic region from.

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Sacrum

Lumber

coccys

Chest cage

Meiosis II is just like the

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Amitosis

Mitosis

Replacement

Regenerations

Which one of the following is excretophore.

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Stem

Leaves

Roots

Bark

Which trait is transmitted directly from an affected father to only his sons.

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X - linked

Y - Linked

x and y linked

Autosomal

Vehicle for transport of male gamete in land plants is

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Water

Pollen tube

Pollen grain

Wind

Urea is detoxified form of____ in the urea cycle which can be retained in the body.

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Ammonia

Nitrogen

Uric Acid

CO2

Some amoeboflagellates ingested cyanobacteria and led to the development of

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Mitochondria

Golgi apparatus

Chloroplasts

Vacuoles

The average cell cycle in human is.

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24 hours

26 hours

28 hours

30 hours

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