R4RIN – MCQs, Mock Tests | Biology Biology MCQS[NEET-2021 to 2022]-General biology mcq for competitive exams

A baby blue whale drinks this many liters of milk per day:

1. 100
2. 150
3. 190
4. 240

✅ Correct Answer: 3

For what is the Jurassic period named

1. mountain range in Switzerland
2. kind of dinosaur
3. soccer hero
4. None of the above

✅ Correct Answer: 1

Which blood group is called the "universal donor"

1. A
2. B
3. O
4. AB

✅ Correct Answer: 3

Which of these is not a kind of plant

1. abacus
2. acanthus
3. aster
4. acacia

✅ Correct Answer: 1

A banana plant fits into which of these groups?

1. Trees
2. Glasses
3. Herbs
4. Flowers

✅ Correct Answer: 3

From what plant was paper originally made

1. cattail
2. rosemary
3. papyrus
4. wheat

✅ Correct Answer: 3

Which of these is not a dehiscent plant?

1. Pea
2. Been
3. Magnolia
4. Banana

✅ Correct Answer: 4

How much blood is in the human body

1. 2 litres
2. 3 litres
3. 5 litres
4. 7 litres

✅ Correct Answer: 4

How many facial muscles are involved in speaking?

1. 30
2. 70
3. 110
4. 140

✅ Correct Answer: 2

How many taste buds do young people have

1. 1000
2. 10000
3. 100000
4. 1000000

✅ Correct Answer: 3

How many basic tastes can humans sense?

1. 3
2. 4
3. 5
4. 6

✅ Correct Answer: 3

What is the word for a person with very pale skin and eyes?

1. Albanian
2. albino
3. Albion
4. alabaster

✅ Correct Answer: 2

What sensory function do the ears provide other than hearing

1. Temperature
2. Radiation
3. Balance
4. smell

✅ Correct Answer: 3

Which of these joints is not found in the human body?

1. gliding
2. mortise and tenon
3. ball and socket
4. suture

✅ Correct Answer: 2

How many sweat glands does the average person have

1. 260000
2. 2.6 million
3. 26 million
4. 260 million

✅ Correct Answer: 2

Which of these is not part of the endocrine system?

1. Thyroid
2. Adrenal
3. Pituitary
4. None of the above

✅ Correct Answer: 4

What scientist has popularized the concept of biodiversity?

1. E.O. Wilson
2. Albert Einstein
3. Stephen Jay Gould
4. Stephen Hawking

✅ Correct Answer: 1

The author of On the Origin of Species is:

1. Charles Lyell
2. Charles Baudelaire
3. Charles Dickens
4. Charles Darwin

✅ Correct Answer: 4

Which group of animals is Charles Darwin best known for studying?

1. Whales
2. Birds
3. Lizard
4. Cats

✅ Correct Answer: 2

Which of the following is a poisonous fish

1. Shark
2. Gold fish
3. Lion fish
4. None of the above

✅ Correct Answer: 3

What is the study of animal life called

1. Geology
2. Astrology
3. Zoology
4. Epidermiology

✅ Correct Answer: 3

In science, what is the name for the classification of plants and animals?

1. gentrification
2. Entropy
3. Taxidermy
4. taxonomy

✅ Correct Answer: 4

How many sets of legs does a shrimp have?

1. 2
2. 4
3. 5
4. 8

✅ Correct Answer: 3

Process of cell division can take place by

1. heterosis
2. fusion
3. mitosis
4. None of the above

✅ Correct Answer: 3

Plant transport system does not transport

1. Water
2. Organic salts
3. Plant hormones
4. CO2

✅ Correct Answer: 4

Which option is incorrect? Rate of transpiration is

1. Maximum during the night
2. Zero at night
3. Proportional to the active transport of water through root hairs
4. Depends upon the thickness of the cuticle

✅ Correct Answer: 1

Cells are metabolically very active in

1. Insects
2. Paramecium
3. Fish
4. Jelly fish

✅ Correct Answer: 3

Transport system with pumps is found in

1. Insects
2. Paramecium
3. Jelly fish
4. Sea anemones

✅ Correct Answer: 1

Consider the following statements: 1. Human beings have 23 pairs of chromosomes. 2. Sex chromosome in human male is named XX. 3. Chromosomes are best seen in metaphase. Which of the statements g

1. 1 and 2
2. 1 ,2 and 3
3. 2 only
4. None of the above

✅ Correct Answer: 3

Ozone hole refers to

1. hole in ozone layer
2. increase in the thickness of ozone layer in troposphere
3. decrease in thickness of ozone layer in stratosphere
4. decrease in the ozone layer in troposphere

✅ Correct Answer: 3

Plants receive their nutrients mainly from

1. chlorophyll
2. Atmosphere
3. Light
4. Soil

✅ Correct Answer: 4

Movement of cell against concentration gradient is called

1. Osmosis
2. Active transport
3. Passive transport
4. Diffusion

✅ Correct Answer: 2

Photosynthesis generally takes place in which parts of the plant?

1. Leaf and other chloroplast bearing parts
2. Stem and leaf
3. Roots and chloroplast bearing parts
4. Bark and leaf

✅ Correct Answer: 1

Plants synthesis protein from

1. Amino acid
2. Starch
3. Sugar
4. Fatty acid

✅ Correct Answer: 1

Plants absorb dissolved nitrates from soil and convert them into

1. Free nitrogen
2. Urea
3. Ammonia
4. Proteins

✅ Correct Answer: 1

One of the following is not a function of bones.

1. Place for muscle attachment
2. Protection of vital organs
3. Secretion of hormones for calcium regulation in blood and bones
4. Production of blood corpuscles

✅ Correct Answer: 3

Plants absorb most part of water needed by them through their

1. embryonic zone
2. growing point
3. root hairs
4. zone of elongation

✅ Correct Answer: 3

Photo-oxidation is

1. photorespiration
2. photolysis
3. light and oxygen induced breakdown
4. All of the above

✅ Correct Answer: 4

Most highly intelligent mammals are

1. kangaroos
2. elephants
3. dolphins
4. whales

✅ Correct Answer: 3

Plant development is influenced by

1. quality of light only
2. quality and quantity of light
3. quality and duration of light
4. quality, quantity and duration of light

✅ Correct Answer: 4

Prokaryotic cells lack

1. nucleolus
2. nuclear membrane
3. membrane bound by organelles
4. All of the above

✅ Correct Answer: 4

Photosynthesis takes place faster in

1. yellow light
2. White light
3. Red light
4. Darkness

✅ Correct Answer: 2

Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

1. Theodore Schwann
2. Rudolf Virchow
3. Robert Brown
4. Robert Hooke

✅ Correct Answer: 3

Primary phloem develops from

1. lateral meristem
2. protoderm
3. extrastelar cambium
4. provascular tissue

✅ Correct Answer: 4

Other than spreading malaria, anopheles mosquitoes are also vectors of

1. dengue fever
2. filariasis
3. encephalitis
4. yellow fever

✅ Correct Answer: 2

Plants that grow in saline water are called

1. halophytes
2. hydrophytes
3. mesophytes
4. thallophytes

✅ Correct Answer: 1

Pyorrhoea is a disease of the

1. Heart
2. Nose
3. Lungs
4. Gums

✅ Correct Answer: 4

Placenta is the structure formed

1. by the union of foetal and uterine tissue
2. by fusion of germ layers
3. by foetus only
4. None of the above

✅ Correct Answer: 1

Plants hormone that induces cell division is

1. domins
2. gibberellins
3. kinins
4. auxins

✅ Correct Answer: 3

Phloem is a tissue found in

1. mammals
2. Insect
3. Plants
4. reproductive organs of animals

✅ Correct Answer: 3