Question # 1

The citric acid cycle

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Takes place in the mitochondrion

Produces two molecules of NAD⁺for every glucose molecule processed

It is same as fermentation

Has no connection with the respiratory chain

The vertebrates in which placenta is formed during the development of foetus are known as

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Pisces

Aves

Mammals

None of these

Passive immunity is developed by injecting.

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Vaccine

Serum

Antiserum

Antibiotic

Greater pathogenicity to bacteria and protection against phagocytosis is provided by

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Capsule

Slime

Cell wall

Mesosomes

Blood is not involved in transport of gasses in.

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Frog

Man

Earthworm

Cockroach

Algae have shells composed of halves that five fit together like Petri dish belong to

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Brown algae

Diatoms

Euglenoids

Green algae

Trypanosoma is an example of.

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Actinopods

Zooflagellates

Ciliates

Apicomplexans

Glyoxysomes are most abundant in

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Human blood

Plant seedings

Liver cells

Micro organisms

Which one is microaerophilic bacterium

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Campy lobacter

Spirochet

Mycoplasma

Vibrio comma

De Duve discovered cell organelle.

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Golgi complex

Plastids

Mitochondria

Lysosome

Blood of Arthropoda is.

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Green colour

Red colour

Colourless

Brown colour

A plant is adapted to remove the flooding of its cells in fresh water.

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Mesophyte

Cactus

Hydrophyte

Xerophyte

The remodeling of bone is a function of which cells?

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Chondrocytes and asteocytes

Osteoblasts and osteoclasts

Chondroblasts and osteoclasts

Chondroblasts and osteocytes

CNS is composed of

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Sensory neuron

Associative neuron

Dendrites

Motor neuron

Fruit development without fertilization is

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Dormancy

Climacteric

Parthenocarpy

Parthenogenesis

Tetany is disease caused by.

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Low calcium in blood

Low sugar blood

Low Vit. d in blood

High calcium in blood

When expression of a biological character is observed in variable intensity, it is due to the efect of:

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Multiple alleles

Codominance

Epitasis

Polygenic inheritance

Chances for a son or daughter in human birth are:

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3:1 between son and daughter

1:3 between son and daughter

1:1 between son and daughter

None of them

In succesion lithoseres takes place on:

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Sand

Water

Forest floor

Bare rocks

The discoidal cap of cells above the blastocoel is called.

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Ectoderm

Endoderm

Mesoderm

Blastoderm

Which of the following statements conserning the role of Ca⁺² inthe contraction of skeletal muscle is correct?

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The mitochondria act as a store of Ca⁺²for the contractile process

Ca⁺²entry across the plasma membrane is important in sustaining the contraction of skeletal muscle

A rise in inter cellular Ca⁺²allows actin to interact with myosin

The tension of a skeletal muscle fiber is partly regulated by G proteins muscle

Which neurons have long axon.

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Sensory

Motor

Cell body

Associateive

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