4951 + Interview Questions in Biology in Class 10 Page 43 InterviewSolution

2101.	Question : Pusa komal is a disease resistant variety of____
Answer» SUGARCANE rice COW PEA maize Solution :cow pea

Discussion

2102.	Question : Pure line selection results in retention of desired characters
Answer» for ONE generation for TWO generations for SEVERAL generations permanently Answer :C

Discussion

2103.	Question : Pure-bred tall pea plants are first crossed with pure-bred dwarf pea plants. The pea plants obtained in F_(1) generation are then cross-bred to produce F_(2) generation of pea plants. (a) What do the plants of F_(1) generation look like? (b) What is the ratio of tall plants to dwarf plants in F_(2) generation? (c ) Which type pf plants were missing in F_(1) generation but reappeared in F_(2) generation?
Answer» SOLUTION :(a) TALL (b) 1: 2: 1 (C ) Dwarf plants

Discussion

2104.	Question : Pure culture of bacteria was first obtained by
Answer» R. Koch A. Leeuwenhoek J. Lister Louis Pasteur Answer :C

Discussion

2105.	Question : Pulse beat is measured from
Answer» Artery Nerve Capillary Vein ANSWER :A

Discussion

2106.	Question : Puberty is marked by rapid physical growth.
Answer» Solution :FALSE - PUBERTY is MARKED by MATURITY of reproductive organs.

Discussion

2107.	Question : Pteridophytes differ from bryophytes in pos sessing
Answer» archegonia spores alternation of generations vascular tissue Answer :D

Discussion

2108.	Question : Pteridophytes are also called
Answer» phanerogams crytogams vascular cryptogams embryophytes ANSWER :C

Discussion

2109.	Question : ………...provides mechanical support to plants.
Answer» SOLUTION :SCLERENCHYMA

Discussion

2110.	Question : Protonema is found in the life cycle of
Answer» spirogyra rhizopus funaria dryopteris ANSWER :C

Discussion

2111.	Question : Protists obtain their food as
Answer» HETEROTROPHS only photosynthesisers, heterotrophs or symbi onts PHOTOSYNTHESIS only chemosynthesisers ANSWER :C

Discussion

2112.	Question : Proteins, carbohydrateds, fats,water.
Answer» SOLUTION :WATER- OTHERS are ORGANIC COMPOUNDS

Discussion

2113.	Question : Protein rich algae is
Answer» polysiphonia spirulina gelidium cosmarium ANSWER :B

Discussion

2114.	Question : Protein digestion takes place in small intestine only
Answer» Solution :False - PROTEIN digestion takes PLACE in stomach and small intestine .

Discussion

2115.	Question : Prolonged thiamine deficiency in diet leads to
Answer» anaemia loss of MUSCLE TONE and DAMAGE to nerves haemorrhage pellagra Answer :B

Discussion

2116.	Question : Fill in the blanks: (i) Prolactin is a hormone produced by____. (ii) Fertlization is ____ in humans.
Answer» SOLUTION :ANTERIOR PITUITARY

Discussion

2117.	Question : Prokaryotic genescontain
Answer» DNA and HISTONES DNA butno histones NEITHER DNA nor histones EITHER DNA or histones SOLUTION :N/A

Discussion

2118.	Question : Project Tiger, a programme to maintain a viable population of tigers in the country and to chalk out areas for their habitat, was launched in the year
Answer» 1975 1973 1974 1971 Answer :B

Discussion

2119.	Question : Proglottids in tapeworm proliferate
Answer» from the head or scolex from a SPECIAL REGION of proliferation any where from the body from the NECK Answer :D

Discussion

2120.	Question : Producing a 'giant mouse' in the laboratory was possible through
Answer» GENE mutation gene duplication gene synthesis gene manipulation Answer :D

Discussion

2121.	Question : Producers
Answer» Solution :The ORGANISMS which can preparetheir own FOOD and make it available for other organisms ARECALLED producers.

Discussion

2122.	Question : Primary source of energy in an ecosystem is
Answer» SUGAR STORED in PLANTS heat liberated during respiration solar ENERGY heat liberated during fermentation Answer :C

Discussion

2123.	Question : Primary Consumers
Answer» SOLUTION :The ANIMALS which FEED EXCLUSIVELY on PRODUCERS only are called primary consumers.

Discussion

2124.	Question : Presently, only …………….% of the Earth's area has been left over with sensitive biodiversity.
Answer» 3.2 2.3 6.8 15.7 Solution :2.3

Discussion

2125.	Question : Presence of four chambered heart makes us warm blooded
Answer» SOLUTION :True - Dueto FOUR chambered heart, there is no MIXING of oxygenated and non-oxygeneted blood, LEADING to RELEASE of moreenergy.

Discussion

2126.	Question :Presence of gill slits in the embryo of all vertebrates supports the theory of
Answer» ORGANIC evolution recapitulation metamorphosis biogenesis Answer :B

Discussion

2127.	Question : Presence of earthworms at a certain place is easily indicated by
Answer» conical droppings heaps of small rounded pellets of soil spiral coils of cast SKIN HOLES in the GROUND Answer :B

Discussion

2128.	Question : Prepare a food web of at least 3 food chain.
Answer» SOLUTION :GRASS `to` grass hopper`to` frog `to` snake `to` KITE. Grass`to` DEAR `to` tiger. Grass`to` goat `to` WOLF `to` lion.

Discussion

2129.	Question :Prepare a chart showing the food items which are preferable and which should be avoided to prevent high blood pressure and heart disease. Apart from diet what are the other lifestyle modifications to be followed to manage this condition.
Answer» Solution : Food items which are preferable: Whole grains, fruits and vegetables, low fat dairy products, Green tea, Hibiscus tea, Pineapple JUICE and low carbohydrate food items. Food items to be avoided: Salt, Meat, Pickles, Canned Soups, Tomato products, sugar, packaged foods, WHITE bread and package snacks, etc. Other Life Style Modification: (a) Exercise for about 30 minutes. (b) Eat a heart healthy diet. (c) Do not smoke or use tobacco. (d) Get regular health screenings. (e) Get ENOUGH quality SLEEP.

Discussion

2130.	Question : Prejudice against the traditional use of forest area has no basis. Explain with example.
Answer» Solution :.Prejudice against the traditional use of forest areas has no basis. This statement can be explained with following example: The great Himalayan park contain alpine meadows which were grazed by SHEEP in summer. NOMADIC SHEPHERDS drove their flock up from the velly every summer. This practice was banned, when the NATIONAL park was formed. Because of no grazing, the grass first grew very tall and then fell over on the ground preventing fresh growth. Hence the traditional use was helpful for the forest MAINTENANCE.

Discussion

2131.	Question : Power of regeneration is lowest in
Answer» LIVER CELL bone cell MUSCLE cell brain cell Answer :D

Discussion

2132.	Question : Pons helps in regulating respiration.
Answer» ANSWER :1

Discussion

2133.	Question : Polyoloidy are characterised by gigantism justify your answer.
Answer» SOLUTION :An organism having more than 2 SETS of chromosomes is called polyploid. It can be induced by physical events such as heat or cold treatment, X-rays and chemical agents like colchicine. Polyploid cell or organism has three or more times the haploid chromosomal number. Polyploid has a major role in the EVOLUTION of both wild and cultivated plants. Polyploid has a key role in plant breeding. There is increase and increased woodiness which has been OBSERVED in some insular plants. So polyploids are characterized by GIGANTISM.

Discussion

2134.	Question : Polyphagia is a condition seen in
Answer» Obesity DIABETES MELLITUS Diabetes insipidus AIDS SOLUTION :Diabetes mellitus

Discussion

2135.	Question : Polyembryony commonly occurs in
Answer» banana tomato potato citrus Answer :D

Discussion

2136.	Question : Pollution depletes the quality of air. Explain with suitable example.
Answer» Solution :(i) The air pollution definitely depletes or REDUCES quality of air. (II) In metropolitan cities, due to HEAVY traffic and industrialization various gases add to the SURROUNDING air. (iii) Indiscriminate DISPOSAL of such gases increase `CO_2` level of air. (iv) As any particular component of air gets increased beyond certain limit, the air gets affected. (v) Industries add 50% More `CO_2` than what exists naturally, this is known as quality disintegration or a quality decay.

Discussion

2137.	Question : Pollution indicator plants
Answer» are resistant to POLLUTION can purify the atmosphere are very sensitive to pollution are very sensitive to POLLUTANTS Answer :C

Discussion

2138.	Question : Pollutant from motorcar exhaust that causes mental diseases is
Answer» LEAD `NO_(2)` `SO_(2)` Hg Answer :A

Discussion

2139.	Question : Pollutant from motor car exhaust that causes mental diseases is
Answer» LEAD `NO_(2)` `SO_(2)` Hg Answer :A

Discussion

2140.	Question : Pollination of flowers by ants is called,
Answer» Chiropterophilly Myrmecophily Entomophily Hydrophily Answer :B

Discussion

2141.	Question : Pollination is best defined as
Answer» the TRANSFERENCE of pollens from ANTHERS to stigma the germination of POLLEN grains visiting of FLOWERS by ants the growth of pollen tube in the ovule Answer :A

Discussion

2142.	Question : Pollination is a characteristic of
Answer» angiosperms pteridophytes bryophytes all of the above Answer :A

Discussion

2143.	Question : Pollination in Pinus is
Answer» entomophilous anemophilous hydrophilous zoophilous ANSWER :B

Discussion

2144.	Question : Pollination in cycas is exclusively by
Answer» wind insect man water ANSWER :A

Discussion

2145.	Question : Pollination by bats is called
Answer» cheiropterophily ornithophily malacophily entomophily Answer :A

Discussion

2146.	Question : Pollination among different flowers on the same plant is termed as,
Answer» Xenogamy Geitonogamy Autogamy Cleistogamy Answer :B

Discussion

2147.	Question : Pollen grain is related to embryo sac as
Answer» SPERM is to the FEMALE GAMETOPHYTE Sperm is to the egg Male gametophyte is to the egg Male gametophyte is to the EMBRYO sac Answer :A

Discussion

2148.	Question : Pollen grain has a prominent two layered wall. The inner wall
Answer» Is MADE up of CELLULOSE and pectin Is THIN and continuous Is made up of Sporopollenin Both A and B Answer :D

Discussion

2149.	Question : Poisonous substance released on rupturing of schizont of RBC in a patient of malaria is
Answer» haemoglobin haemozoin haematin haem Answer :B

Discussion

2150.	Question : Poisonous gas related to Bhopal tragedy is,
Answer» `CO_(2)` and `SO_(2)` METHYLISOCYANATE & PHOSGENE `SO_(2)` and `H_(2)S` ethylisocyanate & `CO_(2)` ANSWER :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Pusa komal is a disease resistant variety of____

Question : Pure line selection results in retention of desired characters

Question : Pure culture of bacteria was first obtained by

Question : Pulse beat is measured from

Question : Puberty is marked by rapid physical growth.

Question : Pteridophytes differ from bryophytes in pos sessing

Question : Pteridophytes are also called

Question : ………...provides mechanical support to plants.

Question : Protonema is found in the life cycle of

Question : Protists obtain their food as

Question : Proteins, carbohydrateds, fats,water.

Question : Protein rich algae is

Question : Protein digestion takes place in small intestine only

Question : Prolonged thiamine deficiency in diet leads to

Question : Fill in the blanks: (i) Prolactin is a hormone produced by____. (ii) Fertlization is ____ in humans.

Question : Prokaryotic genescontain

Question : Project Tiger, a programme to maintain a viable population of tigers in the country and to chalk out areas for their habitat, was launched in the year

Question : Proglottids in tapeworm proliferate

Question : Producing a 'giant mouse' in the laboratory was possible through

Question : Producers

Question : Primary source of energy in an ecosystem is

Question : Primary Consumers

Question : Presently, only …………….% of the Earth's area has been left over with sensitive biodiversity.

Question : Presence of four chambered heart makes us warm blooded

Question :Presence of gill slits in the embryo of all vertebrates supports the theory of

Question : Presence of earthworms at a certain place is easily indicated by

Question : Prepare a food web of at least 3 food chain.

Question :Prepare a chart showing the food items which are preferable and which should be avoided to prevent high blood pressure and heart disease. Apart from diet what are the other lifestyle modifications to be followed to manage this condition.

Question : Prejudice against the traditional use of forest area has no basis. Explain with example.

Question : Power of regeneration is lowest in

Question : Pons helps in regulating respiration.

Question : Polyoloidy are characterised by gigantism justify your answer.

Question : Polyphagia is a condition seen in

Question : Polyembryony commonly occurs in

Question : Pollution depletes the quality of air. Explain with suitable example.

Question : Pollution indicator plants

Question : Pollutant from motorcar exhaust that causes mental diseases is

Question : Pollutant from motor car exhaust that causes mental diseases is

Question : Pollination of flowers by ants is called,

Question : Pollination is best defined as

Question : Pollination is a characteristic of

Question : Pollination in Pinus is

Question : Pollination in cycas is exclusively by

Question : Pollination by bats is called

Question : Pollination among different flowers on the same plant is termed as,

Question : Pollen grain is related to embryo sac as

Question : Pollen grain has a prominent two layered wall. The inner wall

Question : Poisonous substance released on rupturing of schizont of RBC in a patient of malaria is

Question : Poisonous gas related to Bhopal tragedy is,

Question : Fill in the blanks: (i) Prolactin is a hormone produced by. (ii) Fertlization is in humans.