Question # 1

Queen victoria was having which kind of haemophilia

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A

B

C

None

They may also control some long term changes

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Enzymes

Neurons

Hormones

CNS

Most of the vectors for spreading important human diseases belong to:

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Radiata

Acoelomates

Pseudocoelomates

Coelomates

In a DNA duplex , what will be distance in between two consecutive base pairs:

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3.4 Angstrom

34 Angstrom

0.34 Angstrom

340 Angstrom

How many nitrogen atoms are found in lecithin

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1

2

3

4

Food chain is an example of

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Predation

Mode of nutrition

Trophic levels of food

All of these

A biotic components includes the components like:

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Air, water, and animals

Air, soil and plants

Air, water and soil,

air, soil, and, animals

Which of the following acts as a bridge between enzyme and substrate?

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Activator

Cofactor

Prosthetic group

Apo-enzyme

In free state Glucose is present in:

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Grapes

Dates

Figs

All Fruits

Cells recycle their dead parts with the help of

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Centrioles

Vacuoles

Lysosomes

Golgi apparatus

Darwin proposed a mechanism for evolution, which he termed

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Natural selection

Special reaction

Adaptation

Descent with modification

Which one of the following always contains DNA?

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Centriole

Lysosome

Golgi apparatus

Mitochondrion

Retroviruses cause tumors in

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Rodents

Fowls

Cats

All

Tape worm is the example of

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Endoparasite

Ectoparasite

Outer parasite

All of above

Secondary consumes form ______ trophic level

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First

Second

Third

None of above

Pick up the correct sequence of path followed by a testosterone molecule till its export

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SER>RER>Transport vesicle>Golgi apparatus>secretory vesicle>cell membrane

SER>Golgi apparatus>Transport vesicle> secretory vesicle>cell membrane

SER>RER>Golgi apparatus> Transport vesicle>secretory vesicle>cell membrane

SER>Transport vesicle>Golgi apparatus>secretory vesicle>cell membrane

SRY in located at the tip of

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Short arm of X-chromosome

Short arm of Y-chromosome

Long arm of Y-chromosome

Long arm of X-chromosome

The parasite that live outside the body of the host is called as

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Endoparasite

Ectoparasite

Outer parasite

All of above

When Fructose form ring structure, It is

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6 Cornered

5 cornered

4 cornered

3 cornered

Homogenetistic acid is oxidized rapidly when exposed to air, turning the urine

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White

Purple

Blue

Black

The study of human population and factor affecting it is called

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Population census

Population dynamics

Demography

Etymology

Bacterial live and get food from roots of plants is an example of

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Symbiosis

Mutualism

Parasitism

Infestation

Green photosynthetic plants are

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Producers

Consumers

Decomposers

None of the above

Which level of protein structure is responsible for maintenance of helix shape of an enzyme

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Primary

Secondary

Tertiary

Quaternary

Color blindness, haemophilia and gout form linkage group onj

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Chromosome 9

Chromosome 19

x-chromosome

y-chromosome

Crustose refers to:

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Aquatic lifeless structure

Aquatic lively structure

Land lively structure

Land lifeless structure

Lipids store double amount of energy as compared to same amount of carbohydrates, because of

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Higher proportion of C-H bonds

Higher proportion of C-N bonds

Higher proportion of C-O bonds

Lower proportion of C-O-P bonds

The study of relationship of different communities (grouping of population) to environment is called:

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Synecology

Community ecology

Autoecology

Both a & b

Decomposers get their food from

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Soil particles

Dead organic matter

Green plants

Living organisms

In life cycle of bacteriophage, ______ occurs followed by_______.

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Assembly. Penetration

Multiplication, landing

Tail contractio, Penetration

Penetration, Assembly

According to fluid mosaic model of cell membrane

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The most common type of molecules in the membrane are proteins

Basic membrane structure results from how proteins interact with water

The membrane is highly mobile mixture of phospholipids and proteins

The unique properties of cell types are determined by their phospholipids

Limnetic phytoplanktons include:

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Mossses

Algea

Bacteria

Cyanobacteria

Charles Eton defined the niche as the species:

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Work

Employment

Job

Occupation

The pairs of gills present in cyclostomata are

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5-7

10-12

6-14

4-5

Which part of amino acid give its physical and chemical properties

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Amino group

Carboxylic group

Alpha carbon

Alkyl group

Vector for spread of African sleeping sickness is

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Anopheles

Commonhouse fly

Tse-tse fly

Honey bee

In a phospholipid molecule, phosphoric acid is attached to the carbon number_____ of glycerol.

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1

2

3

4

Highest degree of regeneration is present in sponges because of

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Undifferentiated cells

Simplest organization

Ability to reproduce

Absence of germ layers

Topography is study of?

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Population

Individula

Earth

birds

In lithospheric ecosystem the availability of water is:

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Unlimited

UniForm

Limited

Zero

If you are studying the structure of HIV , you will observe spikes associated with the

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Core

Capsid

Envelope

Genome

Puffiness of hands is the character of

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Graves disease

Addinsons disease

Myxedema

Cretinism

Pick a non-reducing sugar

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Lactose

Sucrose

Glucose

Fructose

Which of the following cannot cross the phospholipid bilayer easily

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Ions

Gas molecules

Ethanol

Steroids

Several bacteria in soil oxidize ammonia or ammonium ions this oxidation is known as

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Ammonification

Nitrification

Assimilation

All of above

The total energy from the sun is trapped by the producers in an ecosystem is about:

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20%

10%

5%

1%

Crystallization of viruses was done by _____ for the first time

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Ivanowsky

Twort

Stanley

Robert Koch

The cells absent in sponges are

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Chondrocytes

Pinacocytes

Choanocytes

Archeocytes

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%

This is an association between a host and a parasite

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Predation

Anemies

Parasitism

None of above

The type of association between two organisms, which brings benefit to both the organisms is called

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Commensalism

Predation

Mutualism

Parasitism

Which eat consumers

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Predators

Carnivores

Omnivores

All

Head of T4 bacteriophage contain

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Single stranded DNA

Double stranded DNA

Single stranded RNA

Both RNA and DNA

Animals feed on green plants and grasses are called

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Grazers

Produces

Consumers

Predators

All food chains and food webs begin from

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Consumers

Green plants

Fungi and bryophytes

Dead organic matter

Change in temperature from 30o C to 40o C in human body will cause ____ in rate of reaction

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Increase

Decrease

First increase then decrease

First increase then constant

The ecosystem consists of interacting components,

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Biotic

Abiotic

Bioic and Abiotic

None of these

The living organism which can prepare their own food are:

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predators

parasites

producers

prey

Genetic basis of ABO blood group system was explained by:

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Landsteiner

Levine

Bernstein

Carl Correns

______ are autotrophic organisms

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Producers

Consumers

Decomposers

All of the above

Tick the biotic (intra-specific) factors:

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Wave action, humidity, light

Colonization,aggregation,parental care

Neutralism,mutualism,predation

Mineral elements, mutualism,parasitism

Moss stage is represented by

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Polytrichum

Tortula

Adiantum

Both a and b

The idea of inheritance of acquired characteristics was presented by

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Margulis

Lamarck

Linnaeus

Cuvier

Endosymbiont hypothesis was first proposed by

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Lynn Margulis

Malthus

Cuvier

Darwin

Which of these traits zigzags from meternal grand father through a carrier daughter to a grandson ?

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autosomal

X-linked

Y-linked

X and Y linked

Genes can be mapped on chromosomes on the basis of

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Sex linkage

Assortment

Recombination frequency

Gene sequencing

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

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Parasites

Saprophytes

Bacteria

Viruses

Animals involved in the construction of corals are

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Polyps

Medusae

Gonozooids

None

The dominance relations of a 4 O'clock plant can be described in terms of

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Complete dominance

Incomplete dominance

Partial dominance

Both B and C

In 1917, Jpseph Grinnel an American ornithologist first proposed the term ______ in ecology

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Habitat

Niche

Area

Space

Global warming is due to

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CFC's

SO₂

O₃depletion

CO₂

Basically, all animals depend on plants for their:

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Living

Food

Life

Respiration

Joseph Grinnell an American scientist was:

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Paleontologist

Embryologist

Ornithologist

All of these

The nutrient cycles are also called:

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Biochemical cycles

Geochemical cycles

Biogeochemical cycles

Elemental cycles

The next to simplest amino acid is

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Alanine

Glycine

Serine

Glutamine

Much of nitrogen found in the soil is the result of:

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Degeneration

Decomposition

Denitrification

Assimilation

Primary succession that starts on a dry habitat is called:

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Hydrosere

Derosere

Xerosere

Aquasere

Digestive vacuoles are also called as

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Primary Lysosomes

Secondary Lysosomes

Phagocytic Vacuoles

Pinocytic Vacuoles

The dominance relations of 4 O'clock plant can be described in terms of :

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Complete Dominance

Incomplete Dominance

Partial Dominance

Both b and c

Which rule depicts its correct statement regarding temperature variation?

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Allen's Rule:

Birds and mammals have greater size in cold region

Bergman's Rule:

The tail snout and ears are smaller in colder region.

Jordan's Rule:

Birds in cold regions are with narrow wings.

All are false.

Polytrichum is a

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Lichen

Algae

Liver worts

Moss