1512 + Interview Questions in Biology in Class 9 Page 23 InterviewSolution

1101.	Question : Clean drinking water is releated to
Answer» ECONOMIC satus SOCIAL status personal hygiene public hygiene Solution :NA

Discussion

1102.	Question : Kingdom animals is classified into two sub kingdom mamely…………and……………….
Answer» SOLUTION :INVERTEBRATA, VERTEBRATA

Discussion

1103.	Question : Classify the following organisms based on the absence/presence of true coelom, (i.e., acoelomate, pseudocoelomate and coelomate)
Answer» Solution :Coelom is the main body cavity in most multicellular animals and it contains digestive tract and other organs. Organisms in which coelom is absent are Spongilla, SEA anemone,Planaria and liverfluke, hence are, called acoelomates. Pseudocoelomates are animals without true coelom e.g., Wauchreria bancrofti. Animals in which coelom is PRESENT are, Ascaris (Aschelminthes), Nereis(Annelida), EARTHWORM (Annelida), scorpion (ARTHROPODA), birds (Aves), fishes (Pisces) and horse (Mammalia).

Discussion

1104.	Question : Classify the following based on number of chambers in their heart : Rohu, Scoliodon, Frog, Salamander, Flying lizard, King cobra, Crocodile, Ostrich, Pigeon, Bat, Whale.
Answer» Solution :1. Two-chambered HEART, e.g., ROHU, Scoliodon 2. Three-chambered heart, e.g., Frog, SALAMANDER, Flying lizard, King cobra 3. Four-chambered heat e.g., crocodile, Ostrich, Pigeon, Bat, WHALE

Discussion

1105.	Question : Classify the following as osmosis or diffusion : (a) Aquatic animals using oxygen dissolved in water during respiration. (b) Swelling up of raisins on keeping in water. (c) Spreading of virus on Sneezing.
Answer» SOLUTION :(a) DIFFUSION (B) OSMOSIS (C) Diffusion.

Discussion

1106.	Question : Classify the following as per the pathogens causing them: Common cold, anthrax, slepping sickness, elephantiasis, influenza, skin infections, kala-azar, tuberculosis fever, malaria, amoebic dysentery, AIDS, typhoid, cholera, ascariasis, ringworm.
Answer» SOLUTION :

Discussion

1107.	Question : Karan's father was practicing apiculture with farming on the advice of Karan, he introduced the Italian been which yielded an average of 50 to 200 kg of honey per year. He encouraged others to adopt the same as he believed. The pasturage there was sutable for bee keeping.1. State the two desirable traits of bee varieties suitable for honey production. 2. Give the scientific name of the Italian bee commonly used for commercial honey production. 3. State two values shown by karan.
Answer» Solution :1. The HONEY BEE should have high honeyh collection. Their stinging should notbe serious. They should stay in the beehive for long periods. 2. APIS mellifera is the ITALIAN bee. 3. Karan is knowledgeable. He has leadership qualities and also has values of fellwo feeling as he is spreading this KNOWLEDGE in the society.

Discussion

1108.	Question : Classify the different breeds of the cattle with suitable examples.
Answer» Solution :Cattle breeds The Indian cattle include cows and buffaloes.They are domesticated for milk,MEAT,leather and tranportation. They belong of two different species, Bos indius (Indian cows and bulls) and Bos bubalis (buffaloes).Thses cattle animals are reared for milk and farm labour.They are classified into three TYPES: (i) Dairy breeds,(ii) Draught (or) Draft breeds. (iii)Dual purpose breeds Dairy breeds Dairy animals are domesticated for obtaining milk.The cows(milk producing females)are high milk yielders (milch animals) The dairy breeds may be indidenous breeds(or) exotic breeds. Indigenous breeds are native of India.They include Sahiwal, Red Sindhi, Deoni and Gri.Thses cattle are well built withstrong limbs, prominent hump and loose skin.Thses localanimal breeds show excellent resistant to diseases. The exotic breeds (Bos taurus) are imported from foreign countries.They incude Jersey,Brown Swiss and Holstein-Friesian etc.These foreign breeds are selected for LONG lactation periods. The Indian(local)breeds and foreign breeds can be cross bred to produce animals with both desired qualites. Draught (or) Draft breeds They are used for agricultural work such as tilling, irrigation and carting. Thses include Amritmahal, Kangayam, Umblachery,Malvi, SIRI and Hallikar breeds.Bullocks are good draft animals while the cows are poor milk yielders. Dual purpose breeds Thses breeds provide milk and they are USEFUL for farm work. In India these breeds are favoured by farmers as the cows are fairly good milk yielders and bullocks are good for draught work.They includer Haryana, Ongole,Kankrej and Tharparkar. Buffalo breeds In India buffaloes are domesticated in great number.They are the main milk producers.The milk production of buffaloes is morethan that of cows.Murrah, Mehsana and Surti are indigenous buffalo breeds which are good milk yielders.

Discussion

1109.	Question : Jointed appendages are characteristic feature of ....
Answer» COCKROACH Earthworm Bony fish Pigeon SOLUTION :Cockroach

Discussion

1110.	Question : It is difficult to prevent the HIV-infected person himself from the Infections of many other diseases.
Answer» Solution :After the HIV-infection, the HIV enter the IMMUNE system of the body, cause damage to it and inhibit its functioning. That is why the person suffering from AIDS is unable to fight against other MINOR infections. e.g., Slight infection of common cold gets transformed into PNEUMONIA. Slight infection in the intestinal tract gets transformed into severe diarrhoea. Thus, it BECOMES difficult for the patient of AIDS to protect himself against infections and ultimately he meets with death due to other infections.

Discussion

1111.	Question : Classify Rohu, Scoliodon, flying lizard, King cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into cold blooded and warm blooded animals.
Answer» Solution :1. Cold Blooded Animals. ROHU, Scoliodon, FROG, Salamander, Flying lizard, King cobra, CROCODILE 2. Warm Blooded Animals. Ostrich, PIGEON, Bat, Whale.

Discussion

1112.	Question :It is a non-motile, though it is an animal :
Answer» CRAB UNIO SPONGILLA PILA SOLUTION :Spongilla

Discussion

1113.	Question : Isolate the irrelevant pair:
Answer» Unicellular organisms- PROTISTA PROKARYOTIC organisms-Monera EUKARYOTIC multicellular organisms without cell wall - Fungi Unlimited growth-Plants Solution :Eukaryotic multicellular organisms without cell wall - Fungi

Discussion

1114.	Question : Classify cell wall and cell membrane as living or dead.
Answer» Solution :CELL WALL is DEAD while cell MEMBRANE is LIVING.

Discussion

1115.	Question : ISI mark is mandatroy to certify agricultural products
Answer» SOLUTION :Correct Statement : AGMARK is MANDATORY to certify AGRICULTURAL PRODUCTS.

Discussion

1116.	Question : Class teacher asked you to perform an experiment to prepare stained temporary mount of human cheek cells. He asked you to answer the following questions : (i) Name the stains you would use for staining scrap of inside of your cheek. (ii) Where would you see coloured spherical or oval dot-like structures in each cheek cell ? Name this structure.
Answer» Solution :(i) Methylene blue solution to stain human CHEEK CELLS. (ii) You will notice coloured SPHERICAL or ovaal dot-like structures in the centre of each cheek cell. It is termed 'nucleus'.

Discussion

1117.	Question : Is there a difference between thesetwo groups ?
Answer» SOLUTION :YES, there is a DIFFERENCE.

Discussion

1118.	Question : Class Reptilia:
Answer» Solution :(i) The body is covered by EXOSKELETON of HORNY EPIDERMAL scales. (ii) The respiration is by lungs. (iii) The heart is three chambered, except crocodile, which has four chambers.

Discussion

1119.	Question : Is there a difference between the children ofwell-off and poor parental groups ? If yes why?
Answer» Solution :YES, there is a DIFFERENCE between the childrenof well-off families and children of poor families. The children of well-off families are over-nourished while those of poor families are malnourished. There is plenty of highly nourishing FOOD and other comforts for the children of well-off familics. On the other hand children of poor families do not GET enough to eat. There are no proper medicalfacilities for them and hence this difference is noted in these two groups. However, in some cases, the children of thepoor families may be healthy too.

Discussion

1120.	Question : Cite an experiment to show that sound needs a material medium for its propagation
Answer» Solution :TAKE an eletric bell and an air tight glass bell jar connected to a vaccum pump. Suspend the bell inside the jar, and PRESS the switch of the bell. You will be able to hear the bell ring. Now pump out the air from the glass jar. The SOUND of the bell will becomes fainterand after some time the sound will not be heard. This is so because ALMOST all air has been pumped out. This shows that sound needs a material medium to travel .

Discussion

1121.	Question : Chronic disease
Answer» is a SEVERE and long time attack of the disease. is a mild state of the disease. lasts long for a long time, even as MUCH as a lifetime. occurs SUDDENLY and last for only very SHORT PERIOD of time. Answer :A

Discussion

1122.	Question : .................is the method of growing plants without soil.
Answer» Horticulture Hydroponics Pomology NONE of these Answer :B

Discussion

1123.	Question : Choose the simple nutrients which are obsorbed into blood from those below.Fatty acid.Amino acid.Fructose.Glycerol.Glocose.
Answer» ANSWER :AMINO acid.Fructose.Glucose.

Discussion

1124.	Question : ..............is the method of culturing different variety of fish in a water body.
Answer» SOLUTION :POLYCULTURE

Discussion

1125.	Question :…………..is the main source of energy on the earth
Answer» ANSWER :SUNLIGHT

Discussion

1126.	Question : Chlorophyll in a leaf is required for……….
Answer» photosynthesis transpiration tropic movement nastic movement Answer :A

Discussion

1127.	Question : ……………..is serious infectious, incurable and fatal disease! (AIDS, TB, Malaria)
Answer» ANSWER :AIDS

Discussion

1128.	Question : Cells were first discovered by
Answer» ROBERT brown Robert hooke Purkinji Schleiden and Schwann Answer :B

Discussion

1129.	Question : ……….is /are included in animal feed as roughage. (Concentrates, Grass and pulses, Millet)
Answer» ANSWER :GRASS and PULSES

Discussion

1130.	Question : Cells of bacteria contain...... .
Answer» CELL WALL chromatin fibre Both (a) and (B) MAY be (a) or (b) SOLUTION : cell wall

Discussion

1131.	Question : ...........is a small bacterium that colonize the roots of leguminous plants to form root nodules.
Answer» SOLUTION :RHIZOBIUM

Discussion

1132.	Question : Cell wall is composed of which chief material. How many molecules of glucose this material contains ?
Answer» SOLUTION :Cellulose (carbohydrate). A cellulose MOLECULE is a long, unbranched CHAIN of about 6000 glucose MOLECULES.

Discussion

1133.	Question : Cell theory was proposed by
Answer» Robertt Hooke Schlieden and Schwann Haeckel Virchow Answer :B

Discussion

1134.	Question : ……..is a Rabi crop. (Millet, Wheat, Rice (Padd))
Answer» ANSWER :WHEAT, MAIZE, SORGHUM, MILLET

Discussion

1135.	Question : Cell is the fundamental unit of organisms.
Answer» Solution :(1) All organisms are formed of cells. The cells are CALLED the structural and functional units of living organisms. (2) Each living cell possesses all the arrangements for the various activities of the cell and various cell organelles for the same. (3) Each cell possesses the genes responsible for the expression of all the characters. (4) A single cell is capable of producing the ENTIRE ORGANISM. (5) A living cell divides and produces other cells of its own kind. Thus, cell is the fundamental unit of organisms.

Discussion

1136.	Question : .............is a preservative in honey.
Answer» SOLUTION :FORMIC ACID

Discussion

1137.	Question : …………..causes acidity-related pain and bleeding in a stomach and duodenum. (Gas Indigestion, Peptia uclers)
Answer» ANSWER :PEPTIC ULCERS

Discussion

1138.	Question : Cattle should be given antihelminthic drugs.
Answer» Solution :1. Helminths, i.e. WORMS (may be round worms or flat worms) are pathogeic endoparasites. 2. The edoparasitic worms CAUSE DAMAGE and DISEAS in stomach instestine liver and such other internal organs. 3. To protect the cattle against such diseases, caused by worms, they (cattle) should be given antihelminthic drugs.

Discussion

1139.	Question : ……….is a chronic and infectious disease. (TB Diabetes. Common cold)
Answer» ANSWER :TB

Discussion

1140.	Question : Categorize the following into acuter, chronic / infectious / non-infectious diseases : Typhoid, Goitre, TB, Elephantiasis
Answer» Solution :(1) Typhoid : ACUTE and infectious. Can become CHRONIC if proper treatment is not given. (2) Goitre : Chronic, non-infectious (3) TB or Tuberculosis : Chronic, infectious (4) ELEPHANTIASIS : Chronic, infectious

Discussion

1141.	Question : Iron is required for the proper functioning of thyroid gland.
Answer» Solution :CORRECT STATEMENT : IODINE is REQUIRED for the proper functioning of THYROID gland.

Discussion

1142.	Question : Carrying oxygen to cells is one of the major functions of …..
Answer» ANSWER :BLOOD

Discussion

1143.	Question : Into which groups did Aristotle divide the living organisms?
Answer» Solution : Aristotle DIVIDED LIVING ORGANISMS into those that LIVED on LAND, in water and in the air.

Discussion

1144.	Question : Carrot grass (gajar ghas) is a …………(weed, vegetable, fruit)
Answer» ANSWER :WEED

Discussion

1145.	Question : Carica papaya leaf can cure ................disease.
Answer» SOLUTION :APICULTURE

Discussion

1146.	Question : Interspecific hybridisation is …….
Answer» the hybridisation between TWO plants of the same species. the hybridisation between MALE and FEMALE plants of the same species. the hybridisation between two species of the same genus. the hybridisation between same species of the same SUBSPECIES of two plants. Answer :A::B::C::D

Discussion

1147.	Question : Carbohydrates are inorganic compounds composed of Nitrogen , Sulphur and Potassium .
Answer» Solution :Correct STATEMENT : Carbohydrates are Organic compounds, COMPOSED of CARBON, Hydrogen and OXYGEN.

Discussion

1148.	Question : Inter -cropping.
Answer» SOLUTION :INTER -cropping is GROWING two or more CROPS SIMULTANEOUSLY on the same field in a definite pattern.

Discussion

1149.	Question : Capillaries unite to form
Answer» ANSWER :SMALL VEINS

Discussion

1150.	Question : Influenza or common cold spreads faster and is difficult to control.
Answer» Solution :Influenza and common cold are viral diseases which can SPREAD faster. The SNEEZING spreads virus faster by DROPLET transmission. There are very few medicines for CONTROLLING virus. Therefore, it is difficult to control such viral diseases.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Clean drinking water is releated to

Question : Kingdom animals is classified into two sub kingdom mamely…………and……………….

Question : Classify the following organisms based on the absence/presence of true coelom, (i.e., acoelomate, pseudocoelomate and coelomate)

Question : Classify the following based on number of chambers in their heart : Rohu, Scoliodon, Frog, Salamander, Flying lizard, King cobra, Crocodile, Ostrich, Pigeon, Bat, Whale.

Question : Classify the following as osmosis or diffusion : (a) Aquatic animals using oxygen dissolved in water during respiration. (b) Swelling up of raisins on keeping in water. (c) Spreading of virus on Sneezing.

Question : Classify the following as per the pathogens causing them: Common cold, anthrax, slepping sickness, elephantiasis, influenza, skin infections, kala-azar, tuberculosis fever, malaria, amoebic dysentery, AIDS, typhoid, cholera, ascariasis, ringworm.

Question : Classify the different breeds of the cattle with suitable examples.

Question : Jointed appendages are characteristic feature of ....

Question : It is difficult to prevent the HIV-infected person himself from the Infections of many other diseases.

Question : Classify Rohu, Scoliodon, flying lizard, King cobra, Frog, Salamander, Ostrich, Pigeon, Bat, Crocodile and Whale into cold blooded and warm blooded animals.

Question :It is a non-motile, though it is an animal :

Question : Isolate the irrelevant pair:

Question : Classify cell wall and cell membrane as living or dead.

Question : ISI mark is mandatroy to certify agricultural products

Question : Is there a difference between thesetwo groups ?

Question : Class Reptilia:

Question : Is there a difference between the children ofwell-off and poor parental groups ? If yes why?

Question : Cite an experiment to show that sound needs a material medium for its propagation

Question : Chronic disease

Question : .................is the method of growing plants without soil.

Question : Choose the simple nutrients which are obsorbed into blood from those below.Fatty acid.Amino acid.Fructose.Glycerol.Glocose.

Question : ..............is the method of culturing different variety of fish in a water body.

Question :…………..is the main source of energy on the earth

Question : Chlorophyll in a leaf is required for……….

Question : ……………..is serious infectious, incurable and fatal disease! (AIDS, TB, Malaria)

Question : Cells were first discovered by

Question : ……….is /are included in animal feed as roughage. (Concentrates, Grass and pulses, Millet)

Question : Cells of bacteria contain...... .

Question : ...........is a small bacterium that colonize the roots of leguminous plants to form root nodules.

Question : Cell wall is composed of which chief material. How many molecules of glucose this material contains ?

Question : Cell theory was proposed by

Question : ……..is a Rabi crop. (Millet, Wheat, Rice (Padd))

Question : Cell is the fundamental unit of organisms.

Question : .............is a preservative in honey.

Question : …………..causes acidity-related pain and bleeding in a stomach and duodenum. (Gas Indigestion, Peptia uclers)

Question : Cattle should be given antihelminthic drugs.

Question : ……….is a chronic and infectious disease. (TB Diabetes. Common cold)

Question : Categorize the following into acuter, chronic / infectious / non-infectious diseases : Typhoid, Goitre, TB, Elephantiasis

Question : Iron is required for the proper functioning of thyroid gland.

Question : Carrying oxygen to cells is one of the major functions of …..

Question : Into which groups did Aristotle divide the living organisms?

Question : Carrot grass (gajar ghas) is a …………(weed, vegetable, fruit)

Question : Carica papaya leaf can cure ................disease.

Question : Interspecific hybridisation is …….

Question : Carbohydrates are inorganic compounds composed of Nitrogen , Sulphur and Potassium .

Question : Inter -cropping.

Question : Capillaries unite to form

Question : Influenza or common cold spreads faster and is difficult to control.