Question # 1

The rate of transpiration is increased when:

Choose an answer

Low light

Temperature decrease

Humidity increased

None of these

Almost all enzymes are:

Choose an answer

Carbohydrates

Fatty acids

Proteins

Vitamins

RNA, ribosomes and enzyme are synthesized during .............. .

Choose an answer

G2-phase

S-phase

G1-phase

Inretphase

There are _________ P-bonds in an ATP molecule.

Choose an answer

Two

Nine

Six

Four

Enzymes are made up of ............. .

Choose an answer

protein

Carbohydrates

Lipids

Triglyceride

the first Muslim scientist who detailed studied animals was.

Choose an answer

Jabir Bin Hayan

Abdul Mlaik Asmai

Al-Razi

Bu Ali Sina

............... is a great stabilizer of body temperature.

Choose an answer

Carbon

Nitrogen

Water

None

In sparrows malaria is spread by

Choose an answer

Culex mosquito

Anopheles mosquito

Marshy areas

Any mosquito

There are _______________ chromosomes in humans.

Choose an answer

46

18

16

23

Saliva is alkaline and contains an enzyme:

Choose an answer

Pepsine

Rennin

Ptyalin

Amylase

Plasmodium was named by:

Choose an answer

Ross

A.F.A.King

Laveran

None

How many genetically different kinds of gametes an individual with genotype AAbb can produce?

Choose an answer

1

2

4

9

Human Urinary system consists of.

Choose an answer

Kidneys

Ureter

Urinary bladder

All of these

In biotechnology, the production of a product by the mass culture of microorganisms is called.

Choose an answer

Fermentation

Mutation

Fermenter

Fertilization

The rate of breathing during exercise or other hard:= physical work is:

Choose an answer

10-20 times

20-30 times

30-40 times

40-50 times

The cardiotonic known as digitalis, is obtained from a plant.

Choose an answer

Accacia

Barassica

Mimose

Fox glove

A purple flowered pea plant has the genotype PP, which of the following statements about this plant is FALSE.

Choose an answer

Its phenotype will be white flowers .

It has a homozygous dominant genotype.

When bred to a white flowered plant all offspring will be purple flowered.

All the gametes produced will have the same flower colour allele

The egg of the honeybee remain unfertilized and develops into haploid males by:

Choose an answer

Budding

Parthenocarpy

Regeneration

Parthenogenesis

An organism has two different alleles for a single trait. Its genotype is said to be:

Choose an answer

Homozygous

Heterozygous

Holozygous

Hemizygous

The medicine reduces the pain:

Choose an answer

Aspirin

Quinine

Chloroquinne

Resochin

The number of drug addicts in Pakistan's currently to be about.

Choose an answer

200000

300000

400000

500000

Cacti are example of:

Choose an answer

Hydrophytes

Xerophytes

Halophytes

None of these

More Classes

Other Links

Biology Life Science Test Easy Mode MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer