R4RIN – MCQs, Mock Tests | General Science Biology General science Mcq Question set 2

Chromosome complement in Turner's syndrome is

1. 47; XXY
2. 45; XO
3. 46; XX
4. 47; XYY

✅ Correct Answer: 2

Excess of amino acids is broken down to form urea in:

1. Kidney
2. Liver
3. Spleen
4. Rectum

✅ Correct Answer: 1

If a person can see an object clearly when it is placed at about 25cm away from him, he is suffering from:

1. Myopia
2. Hyper- myopia
3. Astigmatism
4. None of the above

✅ Correct Answer: 4

Who among the following discovered the anti-rabies vaccine?

1. Edward Jenner
2. James Lind
3. Louis Pasteur
4. Robert Koch

✅ Correct Answer: 3

Which of the following teeth of child (3-4 Years) is not a part of the milk teeth?

1. Incisors
2. Canines
3. Molars
4. Premolars

✅ Correct Answer: 3

Who said this statement? "I flatter myself having discovered the method that nature employs to purify air. It is vegetation."

1. Antonine Laurent Lavoisier
2. Joseph Priestley
3. Louis Pasteur
4. William Harvey

✅ Correct Answer: 2

Why it is not advisable to sleep under a tree at night?

1. Release of less oxygen
2. Release of more oxygen
3. Release of carbon dioxide
4. Release of carbon monoxide

✅ Correct Answer: 3

What is the averages rate of the heart beats (per minute) in an adult?

1. 60
2. 72
3. 84
4. 96

✅ Correct Answer: 2

Which of the following is the volume of the urine produced in an adult human every 24 hours?

1. 1 litre
2. 1.5 litres
3. 3.0 litres
4. 5.0 litres

✅ Correct Answer: 2

Which of the following pigment causes eye colour of person (brown eyes, blue eyes or black eyes)?

1. Cornea
2. Choroid
3. Iris
4. Vitreous body

✅ Correct Answer: 3

Which of the following led to the expulsion of milk from the breast during suckling?

1. Prolactin
2. Oxytocin
3. Vasopressin
4. Estrogen and Progesterone

✅ Correct Answer: 2

Where does fertilization occurs in the female?

1. Fallopian tube
2. Uterus
3. Cervix
4. Vagina

✅ Correct Answer: 1

Which of the following is the universal recipient blood group?

1. A
2. B
3. AB
4. 0

✅ Correct Answer: 3

What proportion of children is likely to be colour blindness when their parent (mother has normal vision & father has colour-blindness)?

1. 0 per cent
2. 25 per cent
3. 50 per cent
4. 100 per cent

✅ Correct Answer: 1

Which of the following blood group is considered as Universal Donor?

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

✅ Correct Answer: 4

What part of the Quinine plant is commonly used drug for Malaria?

1. Leaves
2. Fruits
3. Root
4. Stem bark

✅ Correct Answer: 4

Which of the following disease occur when the replacement of breast feeding by less nutritive food, low in proteins and calories, infants below the age of one year?

1. Kwashiorkor
2. Marasmus
3. Rickets
4. Pellagra

✅ Correct Answer: 2

What happen when the exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient?

1. The compound carboxy-haemoglobin (COHb) it forms with haemoglobin can gradually clot the blood resulting in circulatory failure.
2. COHb reduces the ability of blood to transport oxygen by rupturing a vast majority of erythrocytes.
3. COHb is stable compound and thus deprives blood of its ability to transport oxygen.
4. COHb greatly modifies the structure of haemoglobin thus making it lose its affinity for oxygen.

✅ Correct Answer: 3

In how many times human will lose their consciousness if blood will stop flowing to the brain?

1. 2 sec
2. 5 sec
3. 15 to 20 sec
4. 5 min

✅ Correct Answer: 2

How many bones comprise the adult human skeleton?

1. 204 bones
2. 206 bones
3. 208 bones
4. 214 bones

✅ Correct Answer: 2

Which of the following statement is related with the 'Sulphur shower'?

1. Discharge of large quantities of Crocus (yellow kesar) pollen grains into the air.
2. Discharge of large quantities of pinus pollen grains into the air forming yellowish clouds.
3. Release of a large amount of sulphur particles into the air from factories processing sulphur.
4. Release of a large amount of sulphur particles into the air near sulphur mines.

✅ Correct Answer: 2

How many grams of carbohydrate is present in a hen’s egg?

1. 0.61 g
2. 0.5 g
3. 1.3 g
4. 2.5 g

✅ Correct Answer: 1

What is the total number of permanent incisors in both the upper and lower jaws of the cattle and buffaloes?

1. 4
2. 8
3. 12
4. 16

✅ Correct Answer: 2

What is the gestation period of camel?

1. 280 to 300 days
2. 320 to 350 days
3. 365 to 400 days
4. 425 to 440 days

✅ Correct Answer: 2

From which of the following part of a plant opium is obtained?

1. Dried leaves
2. Dried latex
3. Roots
4. Stem bark

✅ Correct Answer: 2

Which of the following crop is affected by the "early blight" disease?

1. Potato
2. Rice
3. Sugarcane
4. Wheat

✅ Correct Answer: 1

Where is the Central Drug Research Institute of India is located?

1. Delhi
2. Bangalore
3. Madras
4. Lucknow

✅ Correct Answer: 4

Which of the following deficiency causes the dietary deficiency of Xerophthalmia?

1. Protein
2. Vitamin A
3. Riboflavin
4. Unsaturated fatty acids, linoleic and linolenic acids

✅ Correct Answer: 2

How many HIV positive infections that are occurring everyday in the world?

1. 6,000
2. 60,000
3. 6,00,000
4. 10,00,000

✅ Correct Answer: 1

Bombyx mori, that produces fine filaments of silk inside the cocoon, is a:

1. Butterfly
2. Dipteran (silkworm)
3. Moth
4. Mulberry plant hemipteran

✅ Correct Answer: 3

Why was DDT banned which an organ chlorine compound, used first to control malaria, carried in mosquitoes and later to a variety to insect pests?

1. It brings about a change in sex chromosomes
2. It persists in the environment and bio-accumulates
3. It increases its affinity hundred-fold for haemoglobin preventing its coupling with oxygen
4. All of these

✅ Correct Answer: 2

What is the reason behind the small shrunken scrotal of an adult bulls straying on Delhi roads?

1. Congenital defect
2. Negative feedback due to extremely high levels of testosterone
3. Castration
4. All of these

✅ Correct Answer: 3

Which of the following components increases the effectiveness of the Photosynthesis process?

1. Ultraviolet
2. Red
3. Blue
4. Infrared

✅ Correct Answer: 2

What is the weight of human heart?

1. 100 gms
2. 300 gms
3. 800 gms
4. 1000 gms

✅ Correct Answer: 0

Which of the following gland controls the blood pressure?

1. Thalamus gland
2. Adrenal gland
3. Thyroid gland
4. Pancreas gland

✅ Correct Answer: 2

In which organ of the human body are the lymphocyte cells formed?

1. Liver
2. Long bone
3. Pancreas
4. Spleen

✅ Correct Answer: 2

Which of the following is one of the functions of antigen?

1. Lowers body temperature
2. Destroys harmful bacteria
3. Triggers the immune system
4. Used as an antidote to poison

✅ Correct Answer: 3

Which of the following process that does not involve evolution of CO2?

1. Combustion
2. Respiration
3. Fermentation
4. Photosynthesis

✅ Correct Answer: 4

Who discovered cell in 1665?

1. Robert Hook
2. Robert Crook
3. David Thomson
4. Marie Francois

✅ Correct Answer: 1

Name an Organelle which serves as a primary packaging area for molecules that will be distributed throughout the cell?

1. Mitochondria
2. Plastids
3. Golgi apparatus
4. Vacuole

✅ Correct Answer: 3

Name the outermost boundary of the cell?

1. Plasma membrane
2. Cytoplasm
3. Nuclear membrane
4. None of the above

✅ Correct Answer: 1

Name the process in which the ingestion of material by the cells is done through the plasma membrane?

1. Egestion
2. Diffusion
3. Osmosis
4. Endocytosis

✅ Correct Answer: 4

Which among the following sentence is not correct about the organelles?

1. They are found in all Eukaryotic cells.
2. They are found in multicellular organisms.
3. They coordinate to produce the cell.
4. They are small sized and mostly internal.

✅ Correct Answer: 2

Name the process in which the passage of water goes from a region of higher concentration to a region of lower concentration through a semi permeable membrane?

1. Diffusion
2. Osmosis
3. Both a) and b)
4. Neither a) nor b)

✅ Correct Answer: 2

Name an organism that contains a single chromosome and cell division occurs through fission or budding?

1. Eukaryotes
2. Prokaryotes
3. Bacteria
4. Primitive organism

✅ Correct Answer: 2

Name the process in which the membrane of a vesicle can fuse with the plasma membrane and extrude its contents to the surrounding medium?

1. Exocytosis
2. Endocytosis
3. Osmosis
4. Diffusion

✅ Correct Answer: 1

The jelly-like substance present inside the cell is known as:

1. Cytoplasm
2. Ectoplasm
3. Nucleoplasm
4. None of the above

✅ Correct Answer: 1

Blue-green Algae are:

1. Prokaryotes
2. Eukaryotes
3. Both a) and b)
4. Neither a) nor b)

✅ Correct Answer: 1

Name the process through which much needed oxygen is supplied to all the cells of the plants?

1. Diffusion
2. Endosmosis
3. Exosmosis
4. Photosynthesis

✅ Correct Answer: 1

Due to Water logging:

1. An air is expelled from in-between the particles of soil.
2. Oxygen becomes unavailable to the roots of the plants.
3. Plants respire anaerobically which produces alcohol and kill them.
4. All the above are correct.

✅ Correct Answer: 4