General Gk interview questions

In plants, which one of the following tissues is dead?

1. Phloem
2. Sclerenchyma
3. Collenchymas
4. Parenchyma

Which one of the following is the permissible level of noise in a silent zone at daytime?

1. 50 dB
2. 60 dB
3. 70 dB
4. 75 dB

The function of nucleolus is the synthesis of

1. t-RNA
2. r-RNA
3. m-RNA
4. DNA

The sex of a newborn baby is determined by the chromosome inherited from

1. Father’s father
2. Mother’s mother
3. The father
4. The mother

Which one among the following hormones stimulates the plant cells to grow in a manner such that the plant appears to be bent towards light?

1. Auxin
2. Gibberellins
3. Abscisic acid
4. Cytokinin

Which one of the following processes takes place in lakes during eutrophication?

1. Excessive entry of nutrient into water
2. Rapid destruction of algal growth
3. Loss of dissolved nutrients from water
4. Excessive availability of dissolved oxygen

Which of the following acts as an insulator against heat, cold and as a shock-absorber in the body?

1. Subcutaneous fat layer
2. Epidermis
3. Dermis
4. None of the above

The camel’s hump is composed of a tissue which provides water when oxidized. It is

1. Adipose tissue
2. Areolar tissue
3. Muscular tissue
4. Skeletal tissue

Which one of the following carries out the function in human beings similar to the one which Malpighian tubules perform in cockroaches and other insects?

1. Reproductive organs
2. Heart
3. Kidneys
4. Lungs

Which one of the following statements is correct? A seed is a ripened

1. Ovule
2. Ovary
3. Gynoecium
4. Flower

In which phylum nerve cells are found but nerves are absent?

1. Nemathelminthes
2. Platyheminthes
3. Coelenterate
4. Porifera

Which one among the following Indian scientists proposed a theory for long distance transport of water in plants?

1. P.Maheshwari
2. Birbal sahni
3. N.S. Parihar
4. J.C. Bose

Balanced diet should have approximately

1. 1/5 protein, 3/5 fat and 1/5 carbohydrate
2. 3/5 protein, 1/5 fat and 1/5 carbohydrate
3. 1/5 protein, 1/5 fat and 3/5 carbohydrate
4. 1/2 protein, 1/4 fat and 1/4 carbohydrate

When the concentration of water and solutes on either side of the cell membrane is same, the solution is said to be

1. Hypotonic
2. Isotonic
3. Hypertonic
4. None of these

An individual whose blood type is B may in an emergency donate blood to a person whose blood type is

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

The main function of the inner bark of a woody plant is to

1. Protect the plant from herbivorous animals
2. Transport minerals and water from the roots to the leaves
3. Transport food form the leaves to the other parts of the plant
4. Act as a membrane impermeable to water and gas

Frog is

1. Uricotelic
2. Ureotelic
3. Ammonotelic
4. Aminotelic

The ultimate cause of water movement in a plant stem against gravity is

1. Diffusion
2. Osmosis
3. Transpiration
4. Photosynthesis

Anosmia is

1. Loss of the sense of heat
2. Loss of the sense of touch
3. Loss of the sense of smell
4. Loss of the sense of taste

If a ship moves from freshwater into seawater, it will

1. Remain unaffected
2. Rise a little higher
3. Sink a little bit
4. Sink completely

Rainwater collected after 30 to 40 minutes of raining is not ‘suitable for drinking because it

1. is acidic
2. is deficient in minerals
3. contains dissolved toxic chemicals
4. contains bacteria and dirt

In a food chain, the solar energy utilized by plants is only

1. 1 percent
2. 0.1 percent
3. 10 percent
4. 0.01 percent

Contaminated water can cause the following diseases except which one of the following?

1. Measles
2. Cholera
3. Typhoid
4. Hepatitis A

Which one of the following statements is correct? The enzyme present in the saliva of human beings breaks

1. Peptides into amino acids
2. Fats into fatty acids
3. Proteins into peptides
4. Starch into maltose

Who of the following invented the cotton gin that separates the seeds from cotton three hundred times faster than by hand?

1. James Watt
2. Mc Adam
3. George Stephenson
4. Eli Whitney

The aquatic fern which is an excellent biofertilizer is

1. Azolla
2. Pteridium
3. Marsilia
4. Salvinia

Silver fern is

1. Equisetum
2. Selaginella
3. Cheilanthes
4. Adiantum

Which one of the following statements is correct? Cretinism is a human disorder which is due to the under secretion of

1. Adrenalin hormone
2. Cortisone hormone
3. Glucagon hormone
4. Thyroxin hormone

Marsupial Kangaroo is

1. a distinct category
2. ovoviviparous
3. oviparous
4. viviparous

Leishmania, the causative agent of Kala-azar, multiplies asexually by

1. Sporogony
2. Multiple fission
3. Budding
4. Binary fission