Question # 1

Reptiles and birds are.

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Viviparous

Ovlparous

Marsupial

Ovoviviparous

Symbiotic association of analgia living within fungus mycelium is known as.

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Mycorrhiza

Lichen

Parasitism

Root Nodules

Who was the first to propose an objective definition of instincts in terms of animal behaviour

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Darwin

Lamarck

Wallace

Lyell

The corpus luteum is formed at the site of

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Fertilization

Ovulation

Mensturation

Implantation

Detection of changes and signaling for effector's response to control system is called.

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-ive feedback mechanism

transformation

feed back mechanism

Nephridial system

Cancer occurs due to error in

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Binary fission

Budding

Mitosis

Meiosis

Pathway of passage of impulse during reflex action is called.

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Reflex

Reflex arc

Stimulus

Membrane potential

Lithosphere includes.

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Air

Water

Gases

Earth soil

The chromatids repel each other during.

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Leptotene

Zygotene

diplotene

Pachytene

Patient of cystic fibrosis often die due to numerous infections of.

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Digestive tract

Excretory tract

Respiratory tract

Reproductive tract

Activation of sweat glands to produce sweat from evaporative cooling is a type of adaptation.

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Structural

Physiological

Behavioural

None of these

The mechanism of evaporative cooling in respiratory tract of dog is known as

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Panting

Shievering thermogenesis

Thermoregulation

vasodilation

The actual reduction division is.

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Meiosis -I

Mitosis

Cytokinesis

Meiosis -II

During non conducting state the neuron membrane is permeable to efflux of.

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Cl-

Ca

Ca+

Na+

K+

In plants which light enhances cell division.

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Infra red

Blue

Red

green

The productivity can be indicated by.

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Consumption of CO2

Consumption of O2

Evolution of CO2

Evolution of N2

The light effective in preventing flowering in cocklebur is.

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Blue light

Red light

Yellow light

Orang light

The electrical potencial of cell membrane of meuron when it is not transmission any signal is called ___________

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Resting membrane potencial

Action potencial

Propagation of impulse

Synapse

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