Every day Science MCQs - Home of Knowledge

Every day Science MCQs

Every day Science MCQs

 

Universal blood donor belongs to the blood group …….

A

B

AB

O

Which of the following vitamin is associated with blood coagulation

A

B

D

K

 

What is the normal rate of heart beat in human beings?

32 times per minute

42 times per minute

62 times per minute

72 times per minute

 

Hygrometer is used for measuring the…….

Speed of light

Speed of sound

Density of milk

Humidity of air

Specific gravity of liquids

 

Which of the following is entirely plant product……?

Lac

Latex

Agar Agar

Resin

 

In animals the principle role of vitamin E is……..

Respiration

Reproduction

Digestion

Transpiration

 

Hereditary disorders are the result of…..

Defective DNA nucleus

Lack of vitamin E

Defective RNA nucleus

None of these

 

Which of the following is not a vitamin…..?

Ascorbic acid

Trypsin

Niacin amide

Riboflavin

Oxidation occurs in………

Loss of electrons

Gain of electrons

Gain of proton

Decrease in oxidation state

The layer of atmosphere which protect us from UV rays is……..

Troposphere

Ionosphere

Stratosphere

Exosphere

Which of the following are the Rabi crops?

Wheat, Rice, Mustard

Rice, Maize, Groundnut

Wheat, Barley, Mustard

Barley, Mustard, Groundnut

Which of the following is the fastest growing tree?

Acacia

Eucalyptus

Banyan

Zizipus

Insulin is secreted by……

Pancreas

Liver

Gall bladder

Stomach

Mitochondrion is also called ………

Protein synthesizing factory

Power house of the cell

Glycogen center

Food storage center

 

Chlorophyll contain….

Sodium

Potassium

Magnesium

Calcium

The chief ingredient of mosquito repellent cream is derived from…

Lemon

Neem

Orange

Guava

 

The characteristic feature of virus is….

It multiplies in host

It multiplies outside host

It shows characteristics of both animals and plants

It completely fits in all kingdoms

Population of cells derived from a single cell is called……

Haploid

Diploid

Clone

Dominant

Greenhouse effect means….

Trapping of sunlight by plants

Trapping of sunlight by Carbon dioxide

Trapping of sunlight by oxygen

Trapping of sunlight by plants

Guinea pig is …….

Rodent

Amphibian

Protozoan

Mollusca

The commonly present elements in the artificial fertilizers are….

N, P, Na

K, N, P

P, Ba, N

Na, K, He

Ginger is a stem and not a root because ……

It lacks chlorophyll

It has nodes and internodes

It stores food materials

It grows horizontally and vertically in the soil

 

The body cells of human beings have 46 chromosomes each. The number of chromosomes in the sperm cell of man is….

46

48

23

92

Potassium nitrate is used in ……

Fertilizer

Medicines

Glass

Plastics

Penicillin is obtained from …..

Algae

Mould

Yeast

Mushroom

Bacteria

The inherited trait of a person can be investigated by …..

DNA

RNA

NADH

RBC

Which one of the following is used in extensively in dating of archaeological findings?

Radioactive Iodine

Radioactive Carbon

Radioactive Uranium

Radioactive Phosphorous

 

All the veins carry deoxygenated blood except….

Gonadal vein

Renal vein

Pulmonary vein

Hepatic vein

Gas which is mainly responsible for greenhouse effect is ….

CO2

O2

O3

N2

Best source of vitamin A is…..

Lemon

Bean

Carrot

Tomato

The organ which is responsible for worn out RBCS in the body of a vertebrate is …..

Liver

Spleen

Pancreas

Stomach

The largest cell in the human body is……

Egg cell

Sperm cell

Nerve cell

Muscle cell

Which one of the following is ascorbic acid?

Vitamin A

Vitamin B

Vitamin C

Vitamin D

 

The correct sequence of cell division is…..

Prophase, Metaphase, Anaphase, Telophase.

Metaphase, Prophase, Anaphase, Telophase.

Telophase, Metaphase, Prophase, Anaphase.

Prophase, Anaphase, Metaphase, Telophase.

Scientist responsible for binomial nomenclature is…

Robert Hook

Bentham

Linnaeus

Darwin

The vegetation found in saline soil is termed as…

Hydrophytes

Halophytes

Mesophytes

Xerophytes

The pulvinus in Touch-me-not play role in …..

Leaf fall

Leaf movement

Photosynthesis

Transpiration

The seed of pinus contains ….

One cotyledon

Two cotyledon

Many cotyledons

No cotyledons

Deficiency of which vitamin cause night blindness…

A

B

C

D

E

Deficiency of which vitamin cause scurvy….

A

B

C

D

E

Disease spread through milk is….

Headache

Polio

Typhoid

Plague

Malaria is caused by…

Plasmodium

Bacteria

Virus

Fungi

Number of chromosomes per somatic cell in human is ….

43

44

45

46

Protein synthesizing factory of the cell is…

Ribosome

Mitochondrion

Endoplasmic reticulum

Golgi bodies

Lathyrism is caused by consumption of …..

Cereals

Sugar

Fats

Pulses

 

Dead red blood corpuscles are stored in ….

a) Spleen

b) Brain

c) Liver

d) Heart

Auxines are …..

Plant enzymes

Plant hormones

Animal hormones

Animal enzymes

What percentage of bones makes up the entire body in weight of human body..

12

15

18

21

Which part of the tea plant is used for making tea?

Leaves

Root

Stem

Flower

The tree species mostly used in social forestry is….

Mulberry

Mango

Acacia

Eucalyptus

Which of the following vaccine was first discovered?

Small pox

BCG

Typhoid

Malaria

Which of the following organism is used in the production of alcohol?

Bacterium

Virus

Chlamydomonas

Yeast

Which one is not a bone in human leg?

Humorous

Femur

Tibia

Fibula

Organisms having a definite nucleus in the cell are……

Prokaryotes

Eukaryotes

Autotrophs

Karyotypes

 

Colour of the skin is due to…..

Pepsin

Rhodopsin

Melanin

Rennin

Healing of wound is hastened by vitamin….

C

D

K

A

The biotic relationship between insects and plants with reference to pollination is termed as….

Commensalism

Parasitism

Mutualism

Amensalism

The bats fly at night because….

They have weak wings and are likely to be attacked by predators

They can see the objects at night

They generate flashes of light

They generate ultrasonic sound waves

Bionics is the study of …..

Human behavior

Living beings

Language

Human organs

Which is not component of blood?

Plasma

Placenta

Platelets

RBC

Sugar contain….

Proteins

Carbohydrates

Fats

Lipids

Which of the following is not a gland?

Liver

Pancreas

Kidney

Pituitry gland

Fat is digested in…

Mouth

Esophagus

Stomach

Small intestine

The secretion of ductless glands are called …

Gastric juice

Hormones

Enzymes

Excretions

The plants which bears fruit only once in life is….

Banana

Grapes

Date

Orange

Quinine is obtained from ….

Strawberry

Mulberry

Cinchona

Eucalyptus

Banana do not have seeds because:

Their flower do not have ovules

Their fruits develops without fertilization

They develop in undernourished areas

All the plants of this family are seedless

Sex in human is determined by chromosomes of ….

Mother

Father

Both

Either father or mother.

 

Dialysis is used when a person is suffer of…..

Heart failure

Kidney failure

Lung cancer

Liver failure

How does a bat find its way?

Through sounds

Through touch

By smell

By vision

Amnesia is related to….

Loss of vision

Loss of hearing

Loss of memory

Loss of teeth

The element obtained from seaweeds is……

Iodine

Argon

Chlorine

Sodium

Taenia solium is the biological name of …..

Dengue Mosquito

Tape worm

Lion

Volvox

Tape worm live in ….

Intestine

Abdomen

Stomach

Pancreas

Elements required for the development of bones are…

Sodium and calcium

Phosphorous and calcium

Sodium and phosphorous

Phosphorous and iron

Organelle present in bacteria is….

Golgi body

Endoplasmic reticulum

Nucleus

Ribosome

Cytochrome contains ….

Calcium

Magnesium

Iron

Copper

Turpentine oil is produced from…

Eucalyptus tree

Pine tree

Populous tree

Acacia

The world environment day is celebrated on…

5 April

5 June

5 May

5 September

Pancreas secretes hormones…

Glucagon

Insulin

Glycogen

Both a and b

Hormones of pancreas help in….

Sugar balance

Protein balance

Fats balance

Vitamins balance

Herbicides are ……

Insect killer

Pest killer

Human killer

Weeds killer

Goiter is associated with….

Thymus gland

Pancreas

Thyroid gland

Adrenal gland

Lichen is association of …..

Higher plant and fungi

Algae and fungi

Fungi with another fungi

Algae and insects

Mychorriza is association between…..

Higher plant and fungi

Fungi and algae

Fungi and Bryophytes

Higher plant and algae

Saliva helps in digestion of …..

Proteins

Starch

Fats

Vitamins

.. ……… is called power house of the cell.

A) Cytoplasm

B) Nucleus

C) Ribosome

D) Mitochondria

In plant cell nucleus is………

A) In center

B) at one side

C) Inside the chloroplast

D) Absent

Second layer of the eye is called _______

A) Retina

B) Choroid

C) Sclerotic

D) Pupil

Each time you blink your eyes for ______ seconds

A) 0.1

B) 0.2

C) 0.3

D) 0.4

Smallest bone in the body is ________

A) Malleus

B) Incus

C) Stapes

D) Femur

______ Protect us from harmful UV rays.

A) Hydrogen Gas

B) Ozone Gas

C) Carbon Dioxide Gas

D) SO2Gas

The thin green expanded portion of the leaf is _____

A) Pedicel

B) Leaf Blade

C) Midrib

D) Lamina

E) Both B and D

Ostrich lost flying habit because……..

A) They have no enemy

B) Their wings are weak

C) They do not like flying

D) They do not have wings

Earth worms are called …….

A) Producers

B) Parasites

C) Living fertilizers

D) Hidden enemy

Photosynthesis occur in _____

A) Epidermal cells

B) Mesophyll cells

C) Xylem

D) Phloem

Monocots have ….. Floral parts or multiple of …..

A) 3, 3

B) 4, 4

C) 5, 5

D) 7, 7

Bacterial cell do not have………

A) Cell membrane

B) DNA

C) Nucleus

D) Cytoplasm

In the atmosphere carbon dioxide is present in amount of _____ percent

A) 0.3 to 0.4

B) 1 to 4

C) 0.5 to 1

D) 3 to 6

The cylindrical stalk of the leaf is called _______

A) Stipule

B) Petiole

C) Midrib

D) Lamina

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