Question # 1

During exercise the breathing rate may rise to

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30 times per minute

20 times per minute

25 times per minute

35 times per minute

The most recent ear is

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Paleozoic

Cenozoic

Mesozoic

Protozoic

During photorespiration, glycolate diffuses in to the membrane bounded organelle named as

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Mitochondria

Ribosome

Peroxisome

Golgi bodies

Certain types of whales are also.

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Detritivore

Fluid feeders

Omnivores

Filter feeders

Which one the following is not a lipid.

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Rubber

Chitin

Cholesterol

Cutin

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

The bio element which account for 99% of the total mass in the human's body are .

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Four

Three

Six

Eight

Cytoplasmic strands that extend through pores in adjacent cell wall are.

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Plasmodesmata

Plasm filament

Plasmostrand

Plasmo fibre

Liver receive blood from digestive system through..

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Portal vein

Hepatic vein

Hepatic portal vein

Iliac vein

The moment of plants when carbon di oxide required by photosynthesis is termed as.

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Compensation point

Homeostasis

Chemisoris

Action spectrum

De Duve discovered cell organelle.

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Golgi complex

Plastids

Mitochondria

Lysosome

All the collecting tubules of human kidney finally discharge into the.

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Bowman's capsule

glomerulus

Pelvis

Urethra

A chromosome with unequal length of its arm is called:

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Metacantric

Sub metacentric

Acrocentric

Telocentric

Which one of the following is not an unpaired bone.

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Mandible

Vomer

Nasal

Sphenoid

In plants which light enhances cell division.

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Infra red

Blue

Red

green

The type of Nastic movement ,which occurs in response to contact is called.

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Hyponastic

Photonasty

Nyctinasty

Thermonasty

During gastrulation the blastoderm splits into two layers, an upper layer of cells is called.

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Hypoblast

Area pellucida

Epiblast

Area Opaca

In neurons the message is transmitted across synapse in the form of chemical messenger called.

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Nerve impulse

Synaptic vesicle

Neurotransmitters

Communlaction

Discharge of egg from the ovary is called.

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Oogenesis

Ovulation

Spermatogenesis

Gametogenesis

The shell, over chick egg is secreted as it passes through.

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Ovary

Oviduct

Uterus

Cloaca

What would be expected to happen if all the nitrogen-fixing organisms ceased to exist?

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There would be no significant change in number of animals

The total number of biomass would be reduced

All organisms would die out

The nitrogen level of the atmosphere would be increase

The producers in limnetic zone are

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Amoebae

Cyanobacteria

Crustaceans

Hydrilla

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