Question # 1

Plants growing in xeric condition are called

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Xerophytes

Mesophytes

Hydrophytes

Schizophytes

Tritanopia is blindness of :

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Red Colour

Green Colour

Blue Colour

Pink Colour

Digestive vacuoles are also called as

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Primary Lysosomes

Secondary Lysosomes

Phagocytic Vacuoles

Pinocytic Vacuoles

Provirus is

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Genome of bacteriophage

Genome of HIV uncoiled in Host cell

Genome of HIV incorporated in Host genome

Genome of a host

Insulin receptors are present in

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Cytoplasm of muscle cells

Cell membrane of liver cells

Cell membrane of muscles and liver cells

Cell membrane of all body cells

In HIV infection cycle, uncoating of virus takes place

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Outside the T-cell

Inside the cytoplasm of T-cell

Inside the nucleus of T-cell

Inside the mitochondria of T-cell

The amount of energy left after plants have met their respiratory needs is net primary production, which shows up as plant:

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Respiration

Photosynthesis

Biomass

Reserve

Which of the following is not an enzyme of HIV

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Reverse transcriptase

Integerase

Protease

Ligase

Succession begins by a few hardy invaders called:

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Founders

Initiators

Pioneers

Leaders

In rats whose adrenal medulla has been removed surgically, the ability to with stand any stress situation such as cold

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Is Enhanced

Is diminished

Remains unaffected

Is finished

Rh factor is encoded by

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2 genes which occupy 3 loci

3 genes which occupy 2 loci

2 genes which occupy 2 loci

3 genes which occupy 3 loci

All carbon atoms in a monosaccharide ____ have hydroxyl group

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Except one

Except Two

Without Exception

Except last

Excessive ploughing of lands in arid regions results in the development of

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Forest

Deserts

Grassland

Fields

Following enzymes are indicating the specificity of their action in their names, except

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Sucrase

Amylase

Pepsin

Lipase

Pick up the correct statement about the following figure:

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2.Nucleolus, 4.Golgi apparatus, 10.cytoplasm, 7.Mitochondria

2.Nucleolus, 7.cell membrane, 9.cytoplasm, 7.Mitochondria

2.Nucleolus, 4.Golgi apparatus, 5.cytoplasm, 7.Mitochondria

2.Nucleolus, 4.Golgi apparatus, 10.cytoplasm, 7.Centriole

Pre-chordates is another name used for

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Echinoderms

Protochordates

Cephalochordates

Hemichordates

Which one of the following does not refer to mutialism

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Mycorrhiza

Parasitism

Lichen

Bacteria in the gut of cow

Which one of the following always contains DNA?

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Centriole

Lysosome

Golgi apparatus

Mitochondrion

If non protein part is covalently bonded to the protein part of enzyme, it is known as

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Coenzyme

Prosthetic group

Activator

Cofactor

Chloroplasts and mitochondria differ from one another because

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Both are membranous organelles

Both are non-membranous organelles

Both are not present in all cells

Both do not contain proteins

DNA of non-virulent phage is

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Provirus

Prophage

Both

None

Endangered plant species have been recorded to more than:

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600

400

500

300

The example of decomposers of the ecosystem are the

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Fungi

Fungi and bacteria

Bacteria

Viruses

Decrease in progesterone level in blood stimulates the secretion of

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Estrogen

FSH

Cortisol

Oxytocin

Pseudo-autosomal genes are present on

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X-chromosome

Y-chromosome

Both a & b

Autosomes

When succession starts on dry soil or rocks it is called:

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Hydrosere

Derosere

Xerosere

lithosere

--------- Develop the basic formwork of plasma membrane:

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Phospholipids

Glycoproteins

Glycolipids

Primary succession that starts on a dry soil or rock is called:

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Hydrosere

Derosere

Xerosere

Aquasere

Sahara Desert i found in :

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Europe

America

Africa

Australia

Newly synthesized Large proteins are digested into small viral proteins by

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Host protease

Viral protease

Viral RT

Host pepsin

Methylation of proteins occur in

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Transport vesicles of endoplasmic reticulum

Lysosomes

Golgi apparatus

Transport vesicles of Golgi bodies

Similar groups of individuals who can interbreed and produce organisms of their own kind form a:

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population

community

species

succession

Genome of the acellular particle mainly comprised of

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Protein

Sugars

Lipid

Nucleic acid

The actual location of place where an organisms live is called its:

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Ecosystem

Habitat

Niche

Biome

Features of most complex animals are

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Triploblastic with true coelom

Triploblastic with pseudocoelom

Triploblastic with bilateral symmetry

Triploblastic with radial symmetry

Infestations are the diseases which are caused by ________ in living organisms

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Parasites

Saprophytes

Bacteria

Viruses

First invertebrate to develop a nervous system is

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Sponges

Cnidarians

Flat worms

Round worms

The major components of ecosystem are

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2

3

4

6

Which one of the following acts as a site for storage of water and cells products or metabolic Intermediates?

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Chloroplast

Mitochondrion

Vacuole

Endoplasmic reticulum

Herpes type-1 virus causes

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Pitted scars

Swollen neck

Rashes on genitals

Vascular lesions

Most unifying characteristics of all types of cells is

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Cell membrane

Nucleus

Ribosomes

S.E.R

The body of a Hydra can be divided in two equal halves vertically in

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One plane only

Two planes

Three planes

Any plane

The solar energy used to evaporate water, heat up soil and then lost to the outer space is:

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99%

77%

55%

33%

Food web is the group of various

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Food substances

Food chains

Trophic levels

All of these

If six cells out of 10, do crossing over what will be percentage of cross over gametes

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60%

30%

40%

50%

Dandruff is the example of

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Endoparadite

Ectoparasite

Outer parasite

All of above

The parasites that live outside the body of the host are called:

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Endoparasites

Ectoparasites

Heteroparasites

Both a & c

A symbiotic relationship that benefits one species & neither helps nor harms the other is called

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Mycorrihza

Symbiosis

Commensalism

Mutualism

Some ______ years ago human population and conversion of land to agricultural production began

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10,000

40,000

5000

None

Topography is study of?

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Population

Individula

Earth

birds

High calcium concentration in blood causes the stimulation of

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Parathormone

Calcitonin

T₃

T₄

The first comers in an area are termed as

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Consumers

Producers

Pioneers

All of above

Peptidoglycan or murine is a special or distinctive feature of cell wall in

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Algae

Bacteria

Fungi

Plants

Most of the plant cells lack following organelles EXCEPT

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Flagellum

Lysosome

Centriole

Mitochondria

Phosphorylation of glucose molecule in glycolysis is carried out by

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ATPase

Kinase

Isomerase

Transferase

It is not a germ layer

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Ectoderm

Endoderm

Blastoderm

Mesoderm

The actual location or place where an organism lives is called its:

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Niche

Habitat

Abode

Terrain

Which is incorrect about resting membrane potential

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Na+ ions are ten folds higher outside

2 Na+ move out for 3 K+ move in

K+ ions are twenty folds higher inside

Some k+ ions leak out

They are Tumor causing viruses and are usually host specific

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Polio viruses

Retroviruses

Oncoviruses

Both b and c

Each biome consists of a combination of plants and animals in the fully developed

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Climax community

Community

Population

None of above

Isosahedral viruses usually have ___

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10 faces

20 faces

15 faces

5 faces

The amount of DNA in _____ is one half to that of_____:

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Somatic cells, Germ cells

Osteocytes, Somatic cells

Germ cells, Somatic cells

Somatic cells, Gametocytes

Forest ecosystem is subdivided into ____ type of forests.

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Two

Four

Five

Three

Secondary consumes form ______ trophic level

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First

Second

Third

None of above

The semicircular channels and system of tubes found in cytoplasm are known as

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Ribosomes

Glyoxisomes

E.R

Vacuoles

Succulent plants are

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Xerophytes

Mesophytes

Hydrophytes

None of above

Glyosidic bond is formed by the

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Removal of Oxygen

Addition of Water

Addition of Oxygen

Removal of Water

On an average, there are 50 or more thylakoids piled to form one

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Intergranum

Crista

Granum

F_{_1}particle

Urine is preferably used as a vehicle for biotechnology product than:

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Blood

Milk

Plasma

Tissue fluid

The succession started after destruction of an area is called as

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Primary succession

Secondary succession

Tertiary succession

Quartnary succession

Dandruff is caused by

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Algae

Bacteria

Fungi

Virus

Capability of extra nuclear inheritance is found in

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Ribosomes

Lysosomes

Mitochondria

Chromosomes

Function of succinic dehydrogenase is aided by

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Metal ion

Vitamin

NAD

FAD

Chemical nature of spikes present on HIV

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Protein

Carbohydrate

Glycolipid

Glycoprotein

Puffiness of hands is the character of

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Graves disease

Addinsons disease

Myxedema

Cretinism

Which can convert glucose to glucose 6 phosphate

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Hexokinase

Glucokinase

Phospho fructokinase

Both a & b

Tape worm is the example of

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Endoparasite

Ectoparasite

Outer parasite

All of above

Charles Darwin was born in Shrewsbury, in Western England in

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1854

1807

1809

1866

Pick up the false statement regarding HIV

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Lipoprotein envelope

Two RNA molecules

Two molecules of RT enzyme

Round shaped capsid

Which of the following disease is not caused by virus?

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Cholera

Hepatitis

Influenza

Polio

Myelin is made up of

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Nucleoprotein

Lipoprotein

Glycolipids

Glycoproteins