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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.

101.

Question : What is the source of hydrogen for plants?

Answer»

AIR
Water
Soil
Pollutants

Answer :A
Discussion
102.

Question : What is the significance of exocytosis ?

Answer»

SOLUTION :It is responsible for (i) REMOVAL of undigested food LEFT in the food vacuoles in the cells, and (II) secretion of HORMONES, enzymes etc. by the cells.
Discussion
103.

Question : What is the scientific name of human?

Answer»

SOLUTION : HOMO SAPIENS
Discussion
104.

Question :What is the scheme of classification for plants and animals?

Answer»

SOLUTION :(1) For plants the scheme is Kingdom, Division, CLASS, Order, Family, Genus, Species. (2) For ANIMALS the scheme is Kingdom, Phylum, Class, Order, Family, Genus. Species.
Discussion
105.

Question : What is the role of the tongue in the digestive system ?

Answer»


Answer :The tongue mixes food items with SALIVA and helps the TEETH to MASTICATE it. It taste buds in the tongue also helps US to sense taste.
Discussion
106.

Question : What is the role of the respiratory system in maintaining homeostasis?

Answer»


Answer :The RESPIRATORY SYSTEM HELPS in the maintenance of homeostasis by eliminating carbon DIOXIDE.
Discussion
107.

Question : What is the role of peristalsis in the process of digestion ?

Answer»


Answer :Peristalsis in the STOMACH CONVERTS food into paste like FORM.
Discussion
108.

Question : What is the role of Hydrochloric acid in the gastric juice ?

Answer»


ANSWER :Hydrochloric acid in the gastric juice KILLS germs in the food. Is ALSO regulates pH for the DIGESTION in the stomach.
Discussion
109.

Question : What is the role of gall bladder ?

Answer»


Answer :The excess BILE SECRETED by the Liver is STORED in the gall bladder.
Discussion
110.

Question : What is the role of epidermis in plants?

Answer»

Solution :Epidermis PRESENT on the outer surface of the ENTIRE plant body which PERFORM following roles.
1. It is a protective tissue of the plant body.
2. It protects the plant against mechanical INJURY.
3. It allows exchange of gases through the stomata.
Discussion
111.

Question : What is the role of epidermis ?

Answer»

Solution :1. Protection
2. REGULATES TRANSPIRATION
3. Exchange of gases
Discussion
112.

Question : What is the remedy (remedies) to prevent spread of infectious (contagious disease ?

Answer»

Vaccination
Public cleanliness
Safe SEXUAL contact
All the given

Answer :D
Discussion
113.

Question : What is the reason behind the sour taste when milk turns into curd?

Answer»


ANSWER :It is DUE to Fermentation.Production of LACTIC ACID from LACTOSE
Discussion
114.

Question : What is the purpose of cattle husbandary?

Answer»

Solution :Cattle husbandry is DONE for two purposes procuring milk and having DRAUGHT LABOUR for agricultural work such as tiling, irrigation and carting.
Discussion
115.

Question : What is the purpose of bringing exotic breeds of cattle to India. Name one.

Answer»


SOLUTION :PURPOSE of bringing exotic breeds of cattle to INDIA is for improving local breeds of cow, so as to obtain higher milk yield
Exotic breed of cow = Jersey
(Note. To get more female calves and increased yield of milk from cows, in future, only semen of selected U.S. bulls (Blitz, Oman, Potter, ETC) will be important for artifical insemination of local breeds in Punjab , see Suckhdeep Kaur, Indian Express, 6th SEPTEMBER 2010).
Discussion
116.

Question : What is the primary characteristic on which the first division of organisms is made ?

Answer»

Solution :(1) Having membrane-bound nucleus or not having membrane-bound well-formed nucleus is the PRIMARY characteristic on which the first division of organisms is made. (2) The organisms possessing nuclear material without the nuclear membrane are called prokaryotes. (3) The organisms having well-formed nucleus with nuclear membrane are called eukaryotes. Thus, being prokaryote or EUKARYOTE is the primary characteristic on which the first division of organisms is made.
Discussion
117.

Question : What is the pandemic disease ?

Answer»

SOLUTION :The DISEASE that AFFECTS entire human POPULATION on the earth is CALLED pandemic disease. eg. AIDS, SARS.
Discussion
118.

Question : What is the normal location of the nucleus (i) in an animall cell and (ii) in a plant cell ?

Answer»

SOLUTION :(i) In an animal cell, nucleus is normally located in the centre.
(II) In a plant cell, due to presence of LARGE vacuole, nucleus is normally pushed to one SIDE of the cell.
Discussion
119.

Question : What is the name of the book that Charles Darwin wrote ? When did he write it?

Answer»

Solution :The BOOK NAMED .The ORIGIN of SPECIES. was written by CHARLES Darwin in 1859.
Discussion
120.

Question : What is the name of the bady cow ?

Answer»

SOLUTION :Ranikhet and foot-and-mouth DISEASEA are viral DISEASE of animals
Discussion
121.

Question : What is the name of cell shown in the figure ?

Answer»

Liver
Nerve cell
Muscle cell
Kidney cell

Answer :C
Discussion
122.

Question : What is the name and composition of the outermost layer of human cheek cell ?

Answer»

CELL membrane, cellulose
Cell membrane, PHOSPHOLIPIDS
Cell WALL, cellulose
Cell wall, phospholipids

Answer :A::B::C::D
Discussion
123.

Question : What is the meaning of cell and from which language this word has its origin?

Answer»

Solution :Cell means small TINY ROOM and this WORD is from LATIN.
Discussion
124.

Question :What is the major source of fresh water in the city/town/village where you live?

Answer»

SOLUTION :RIVERS
Discussion
125.

Question : What is the main function of spleen?

Answer»


ANSWER :Destruction of germs and iactive red BLOOD CELLS is the main FUNCTION of SPLEEN.
Discussion
126.

Question : What is the living organisms made-up of? Why are they called structural and functional unit of life?

Answer»

SOLUTION : (1 ) Living organisms such as all plants and animals are made-up of SPECIFIC types of cells.
(2) Cells form TISSUES and these further form organs and systems. The basic structural unit is therefore cell. Cell is also the smallest entity in the body.
(3) Each living cell performs DIFFERENT functions with the help of cell ORGANELLES located in them. Basic bodily functions such as nutrition, respiration, osmoregulation, excretion, etc. can be done by a single cell too. Therefore, cell becomes functional unit of the body.
Discussion
127.

Question : What is the literal meaning of disease ?

Answer»


Answer :Disease LITERALLY MEANS being uncom-fortable or at DISTURBED EASE.
Discussion
128.

Question : What is the intermediary that spreads disease called ?

Answer»

VECTOR
Preditor
PARASITE
lost

Answer :A
Discussion
129.

Question : What is the Italian bee variety most commonly used for commercial honey production?

Answer»

Solution :Biological name of ITALIAN HONEY BEE isApis mellifera.
Discussion
130.

Question : What is the function of vein?

Answer»


ANSWER :VEIN CARRIES BLOOD to the HEART.
Discussion
131.

Question : What is the function of leucoplasts?

Answer»

Solution :Leucoplasts are the TYPE of plastids that STORE STARCH, OIL and protein granules.
Discussion
132.

Question : What is the function of cilia or flagella in organisms of kingdom Protista?

Answer»

SOLUTION : MOVEMENT (Lomomotion)
Discussion
133.

Question : What is the function of check dams?

Answer»

SOLUTION :The check dams stop the RAINWATER from flower away and also reduce soil EROSION.
Discussion
134.

Question : What is the function of a large central vacuole in plant cells?

Answer»

SOLUTION :Large central vacuole in PLANT cells maintains the TURGIDITY of the cells and ALSO stores waste products and other SECRETIONS within it.
Discussion
135.

Question : What is the effect on stored grain due to biotic abiotic factors? What is the remedy for the same?

Answer»

Solution :BIOTIC and abiotic factors cause degradation in quality, loss in weight, poor germinatbility, discolouration of produce in the stored grains. This LEADS to poor MARKETABILITY. These factors are controlled by proper treatment and by systematic MANAGEMENT of warehouses.
Discussion
136.

Question : What is the difference noticed in active transport when compared to other processes ?

Answer»


ANSWER :In ACTIVE transport ENERGY is NEEDED by other process energy is not needed.
Discussion
137.

Question : What is the difference between simple plant tissue and simple animal tissue.

Answer»

SOLUTION :
Discussion
138.

Question : What is the difference between movement of flower in sunflowerplant and closing of the leaves in the Mimosa pudica?

Answer»

Solution :The stem of sunflower follows the PATH of sun from DAWN to dust (from east of west ) due to light stimulus. But at night, it MOVES from west to east. The leaves of MIMOSA pudica closes on touching stimulus.
Discussion
139.

Question :What is the criterion for classification of organisms as belonging to kingdom Monera or Protista?

Answer»

SOLUTION : (1) Organisms INCLUDED in kingdom Monera have very PRIMITIVE cell STRUCTURE. They are unicellular with prokaryotic cells. Their nucleus is not bound by nuclear membrane. Cell organelles are absent. e.g., BACTERIA and Cyanobacteria. (2) Kingdom Protista includes organisms with eukaryotic cells but they too are unicellular. Their nucleus is membrane-bound and the cytoplasm is with cell organelles.
Discussion
140.

Question : What is the correct alternative for the given statements? Statement X: Honey bees collect nectar and pollen from the flowers. Statement Y: Wax from beehives is used in various medicinal preparations.

Answer»

Both the STATEMENTS X and Y are TRUE.
STATEMENT X is FALSE and statement Y is true.
Both the statements X and Y are false.
Statement X is true and statement Y is false.

Answer :A
Discussion
141.

Question : What is the contribution of Melvin Calvin.

Answer»


Answer : Melvin CALVIN EXPLAINED the VARIOUS STAGES of the FORMATION of glucose during photosynthesis.
Discussion
142.

Question : What is the consequence that occur if all blood platelets are removed from the blood?

Answer»

Solution :If platelets are absent, this important defense reactionn cannot OCCUR, and protracted bleeding from small WOUNDS (prolonged bleeding time) RESULTS.
Discussion
143.

Question : What is the compound formed by the combination of oxygen and haemoglobin?

Answer»


ANSWER :OXYHAEMOGLOBIN
Discussion
144.

Question : What is the cause for peptic ulcer?

Answer»


ANSWER :PEPTIC ULCERS are CAUSED by the BACTERIA. Helicobacter pylori.
Discussion
145.

Question : What is the basis of our identification ?

Answer»

Solution :The EXTERNAL appearance of both the cows is different. Indian cows have hump or dewlap. They are very FLEXIBLE and have loose skin. They do not have SPOTS on the BODY. Jersey cow does not have dewlap and is not flexible. Its body has big, black spots which make them easily IDENTIFIABLE. Thus, the basis of identification is the difference in them.
Discussion
146.

Question : What is the basic key to prevention of infectious diseases ?

Answer»

Solution :Public hygiene is one BASIC key to the PREVENTION of infectious diseases.
Discussion
147.

Question : What is the advantage of green manure?

Answer»

SOLUTION :GREEN manure is RICH in nitrogen and PHOSPHORUS and thus very useful of the palnts.
Discussion
148.

Question : What is spermatogenesis ?

Answer»

SOLUTION :The process of FORMATION of SPERMS is called spermatogenesis.
Discussion
149.

Question : What is Spawning?

Answer»

Solution :SPAWN is the mushroom seed.It is PREPARED by GROWING fungal mycelium in GRAINS under sterile conditions.Spawing is the sowing or PLANTING of spawn on compost.
Discussion
150.

Question : What is soil erosion?

Answer»

SOLUTION :The blowing away or washing away of LAND SURFACE by wind or water is KNOWN as SOIL erosion.
Discussion