Question # 1

Which of the following vertebrates posses single circuit heart.

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Reptiles

Birds

Mammals

Fishes

Flame cells are found in the phylum

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Nematoda

Annelida

Mollusca

Platty helmithes

Feeding by living in or on other organisms is a

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Parasite

Fungicide

Insecticide

Saprophyte

Carbon fixation refers to the initial incorporation of

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Carbon

Oxygen

CO₂

Hydrogen

The reasoning that moves from general t specific

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Hypothesis

Deduction

Law

Theory

Which type of cells in human stomach secrete gastrin.

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Mucous cell

Parietal cells

Endocrine cells

Zymogen cells

Plastids are only found in

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Bacteria

Viruses

Plant cell

Animal cell

Sepia belong to.

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Cephalopoda

Myriapoda

Gastopoda

Annelida

The irritant substances of smoke generally cause

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Smoker's hiccough

Smoker's sneeze

Smoker's yawing

Smoker's cough

One cardiac cycle is completed in

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0-3 seconds

0-4 second

0-8 second

0-5 second

Dolphin is

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Fish

Bird

Mammals

Amphibian

The structure in human brain which control hunger is

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Amygdala

Hippocampus

Hypothalamus

Thalamus

Human appendix, coccyx and nictiating membrane of the eye are:

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Vestigical organs

Homologous organs

Analogous organs

Embroyonic organs

Developing seeds are a rich source of.

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Auxin

Gibberellins

Cytokinins

All of these

As distal end humerus forms hinge joint with

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Radius

Ulna

Tibia

Both a & b

In the eighteenth century organisms were classified by

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Charles Darwin

Alfred Wallace

Carolus Linnaeus

J.B Lamarck

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

The hormones which promote boating of some roseate plants is known

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Auxins

Gibberellins

Ethene

Cytokinin

Highly condensed portions of the chromatin are called.

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Homochromatin

Heterochromatin

Euchromatin

Achromatin

In xerosere, polytrichum and tortula represent.

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Herbaceous stage

Moss stage

Follage lichen stage

Crustose lichen stage

In succesion lithoseres takes place on:

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Sand

Water

Forest floor

Bare rocks

In each Nephron inner end form a cup shaped swelling called.

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Glomerulus

Henle's loop

Bowman's capsule

Pelvis

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