4951 + Interview Questions in Biology in Class 10 Page 44 InterviewSolution

2151.	Question : Point out two differences between an artery and a vein .
Answer» SOLUTION :DIFFERENCES between ARTERY and VEIN

Discussion

2152.	Question : Point mutation is
Answer» LOSS of gene change in a BASE of gene addition of a gene deletion of a SEGMENT of gene Answer :B

Discussion

2153.	Question : Poaching of wild animals is a legal act.
Answer» SOLUTION :CORRECT STATEMENT: POACHING should be PROHIBITED.

Discussion

2154.	Question : Pneumatophores are
Answer» POSITIVE GEOTROPIC NEGATIVE phototropic thigmotropic ageotropic Answer :D

Discussion

2155.	Question : Platyhelminthes represent an example of
Answer» CELLULAR GRADE of organisation tissue grade of organisation organ grade of organisation none of the above ANSWER :C

Discussion

2156.	Question : Platelets playan important role in blood clotting.
Answer» SOLUTION :TRUE - Platelets FORM FIBRIN whichhelp in bloodcoagulation at the site of injury.

Discussion

2157.	Question : Plastic bottles are formed from the chemical substance
Answer» POLYMER TETRACHLORO POLYESTER Polymer Tetrachloro Polyester Polyehylene Terepthalate Polyester Polyamino TetramericPolyethylee Answer :Polymer Trypotphan Polyester

Discussion

2158.	Question : Plasmolysis in a plant cell is defined as
Answer» break down (lysis) of PLASMA MEMBRANE in hypotonic medium shrinkage of cytoplasm in hypertonic medium shrinkage of nucleoplasm none of them Answer :B

Discussion

2159.	Question : Plasmodium : malaria : ……………….. : : Leishmania :………………………. : Binary fission
Answer» SOLUTION :MULTIPLE FISSION, Kala-azar

Discussion

2160.	Question : Plasmodesmata connections help in
Answer» cytoplasmic streaming SYNCHRONOUS mitotic divisions locomotionof unicellular ORGANISMS MOVEMENT of substancesbetween cells Solution :N/A

Discussion

2161.	Question : Plasmids are
Answer» NEW type of micro organisms extra chromosomal GENETIC ELEMENT of bacteria genetic element of bacteria viruses ANSWER :B

Discussion

2162.	Question : Plants such as banana, orange, rose and Jasmine that have lost the capacity to produce seeds can reproduce by vegetative propagation.
Answer» ANSWER :1

Discussion

2163.	Question : Plants raised by ____ can bear flowers and fruit earlier than those produced from sees.
Answer» SOLUTION :VEGETATIVE PROPAGATION

Discussion

2164.	Question : Plants produced by vegetative propagation need not be genetically similar to the parent plant.
Answer» SOLUTION :FALSE - They are GENETICALLY SIMILAR.

Discussion

2165.	Question : Plants propagate normally through seeds. What are other ways that plans propagte through ? Give examples.
Answer» Solution :Asxeual reproduction takes place by six different method. They are 1) fission 2) budding 3) spore formation 4) regeneration 5) fragmentation and 6) vegetative propagation. 1) Fission : Single called organisms split into two equal offsprings or more offsprings. Ex : Paramoecium BACTERIA. 2) Budding : A growth on the body as a bud grows to form indentical copy of perent. Ex : Yeast. 3) SPORES formation : spores are produced in SPORANGIUM. Ex : Rhizopus, mucor, bacteria, ferms and mosses. 4) Regeneration : Ability of organisms to give rise to new individual organisms. Ex : Hydra, flatwrom, tapewrom. 5) Fragmentation : New individual growth from a separate piece of parent organisms. Ex : flatworms, moulds, lichens, spirogyra. 6) vegetative propagation : a) Natural propagation : i) leaves : Eg : Bryophyllum ii) Stems: Eg : Stolon - Vallisneria, Strawberry Bulbs - Onion Corms - Colacasia Tuber - Potato b) Artificial propagation : i) Layering : Eg : Nerium, GUAVA, orange, rose. ii) cutting : Eg : Rose, Hibiscus, sugarcane. iii) Grafting: Eg : Sapota, Guava, MANGO.

Discussion

2166.	Question : Plants occurring on soils rich in salts are known
Answer» HELIOPHYTES halophytes geophtes thermophytes Answer :B

Discussion

2167.	Question : Plants like oranges and banana which have lost the property of producing seeds, can be made to reproduce by ___________ .
Answer» SOLUTION :VEGETATIVE PROPAGATION

Discussion

2168.	Question : Plants have low energy needs as compared to animals . Explain.
Answer» SOLUTION :Animals need to move around in search of FOOD, shelterand mate. They ALSO need energy for digestion of food. Since plants have very few activities, and theyprepare their food in simpleform, hence theirenergy requirements remain low.

Discussion

2169.	Question : Plants growing well in full sunlight are called
Answer» xerophytes MESOPHYTES heliophytes SCIOPHYTES Answer :C

Discussion

2170.	Question : Plants growing in shady regions are
Answer» SCIOPHYTES XEROPHYTES HELIOPHYTES EPIPHYTES ANSWER :A

Discussion

2171.	Question : Plants growing in extremely cold soils are
Answer» HALOPHYTES PSAMMOPHYTES OXYLOPHYTES psychrophytes ANSWER :D

Discussion

2172.	Question : Plants give out both O_(2) and CO_(2)during night
Answer» SOLUTION :False - Plants give out `O_(2)`during the daydue to PHOTOSYNTHESIS and `CO_(2)`at night, as a RESULTOF RESPIRATION.

Discussion

2173.	Question : Planting tress increases the ground water level.
Answer» ANSWER :TRUE

Discussion

2174.	Question : ________ is the art of developing economically important plants with superior quality.
Answer» SOLUTION :BREEDING

Discussion

2175.	Question : Plant diseases are caused by..... Like virsues, bacteria and fungi.
Answer» SOLUTION :PATHOGEN

Discussion

2176.	Question : Plant decomposers are
Answer» monera and FUNGI fungi and PLANTS PROTISTA and anirnalfa animalia and monera ANSWER :A

Discussion

2177.	Question : Plant cells store fat in
Answer» PEROXISOMES SPHAEROSOMES LYSOSOMES MICROSOME SOLUTION :N/A

Discussion

2178.	Question : Planariareproducesasexuallyasexullyby ______.
Answer» SOLUTION :REGENERATION

Discussion

2179.	Question : Placenta is the region, where
Answer» FOETUS is SUPPLIED by maternal blood embryo is attached to mother by umbilical CORD foetus RECEIVES maternal blood and nutrition embryo enclosed by membranes Answer :C

Discussion

2180.	Question : Placenta is embedded in :
Answer» Cervix Uterus Vagina Oviduct Answer :B

Discussion

2181.	Question :Placenta in man
Answer» YOLK sac primitive haemochorial syndesmochorial Answer :C

Discussion

2182.	Question : Place two or three unripe tomatoes in a brown paper bag with a ripe bananas and roll thetop closed. In another bag place two or three unripe tomatoes only and roll the top closed, Observe what happens to the tomatoes? Why
Answer» Solution :As the banana CONTINUES to ripen in the FIRST bag, it produces ethylene GAS. The gas trapped inthe bag will cause tomatoes to ripen. The tomtoes REMAIN .unripe in the SECOND bag.

Discussion

2183.	Question : Pituitary gland is found in
Answer» AROUND trachea gonad pancreas brain Answer :D

Discussion

2184.	Question : Pituitary gland is divided into four lobes.
Answer» SOLUTION :False -CORRECT Statement: The Pituitary GLAND is composed of two LOBES and perform DIFFERENT functions.

Discussion

2185.	Question : Pith is differentiated in monocot stems.
Answer» SOLUTION :FALSE- Correct STATEMENT: Pith is not differentiated in monocot STEMS.

Discussion

2186.	Question : Pili in bacteria represent the extension of its
Answer» CELL wall PLASMA membrane cytoplasm cytoplasm and plasma MEMBRANES ANSWER :A

Discussion

2187.	Question : Pigments contained in the cones of the retina are associated with
Answer» ACCOMMODATION in eye perception of DEPTH NIGHT BLINDNESS COLOUR discrimination Answer :D

Discussion

2188.	Question : Pick up correct statement for the concept of biodiversity.
Answer» It refers to the DIFFERENT species of PLANTS and animals in the area. It refers to only the plants of a GIVEN area. It is greater in forest. It refers to the total of INDIVIDUALS of human population in given area. Solution :It refers to the different species of plants and animals in an area, and it is greater in forest.

Discussion

2189.	Question : Pick the odd one out.............
Answer» Stage SCREEN Sprite Script editor Solution :Screen

Discussion

2190.	Question : Pick out the disease which spreads through cuts and wounds.
Answer» Ringworm Anthrox Tetanus Chicken pox Answer :C

Discussion

2191.	Question : Pick out the bacterial disease,
Answer» SWINE FLU Pneumonia Mumps Small pox Answer :B

Discussion

2192.	Question : Phytohormones are
Answer» hormones REGULATING GROWTH from seed to adulthood growth regulators synthesised by PLANTS and INFLUENCING physiological PROCESSES hormones regulating flowering hormones regulating secondary growth Answer :B

Discussion

2193.	Question : Phytochrome is used
Answer» flowering only SEED GERMINATION only transpiration only both (a) and (B) ANSWER :D

Discussion

2194.	Question : Phylum Nemathelminthes includes these very common organisms, some of which are parasitic and most of which are often found in soil
Answer» SEGMENTED worms flatworms earthworms roundworms ANSWER :D

Discussion

2195.	Question : Phycoerythin is present in
Answer» polysiphonia fucus chlamydomonas euglena ANSWER :A

Discussion

2196.	Question : Phototropic and geotropic movements in plants have been traced to be linked with
Answer» enzymes starch gibberellins auxins Answer :D

Discussion

2197.	Question : Photosynthetic pigments are found on,
Answer» Stroma Outer MEMBRANE Thylakoids Mitochondria Answer :C

Discussion

2198.	Question : Photosensitive pigment is
Answer» SIMILAR in all EYES similar in all VERTEBRATE eyes VARIABLE in all eyes variable in all vertebrate eyes Answer :B

Discussion

2199.	Question : Photorespiration in plants occurs in,
Answer» PEROXISOMES CHLOROPLASTS Mitochondria All of them Answer :D

Discussion

2200.	Question : Photoperiodism is
Answer» RECURRENCE of day and night effect of day length on flowering of a PLANT flowering plant growth curvature in RESPONSE to light Answer :B

Discussion

Explore topic-wise InterviewSolutions in .

Question : Point out two differences between an artery and a vein .

Question : Point mutation is

Question : Poaching of wild animals is a legal act.

Question : Pneumatophores are

Question : Platyhelminthes represent an example of

Question : Platelets playan important role in blood clotting.

Question : Plastic bottles are formed from the chemical substance

Question : Plasmolysis in a plant cell is defined as

Question : Plasmodium : malaria : ……………….. : : Leishmania :………………………. : Binary fission

Question : Plasmodesmata connections help in

Question : Plasmids are

Question : Plants such as banana, orange, rose and Jasmine that have lost the capacity to produce seeds can reproduce by vegetative propagation.

Question : Plants raised by ____ can bear flowers and fruit earlier than those produced from sees.

Question : Plants produced by vegetative propagation need not be genetically similar to the parent plant.

Question : Plants propagate normally through seeds. What are other ways that plans propagte through ? Give examples.

Question : Plants occurring on soils rich in salts are known

Question : Plants like oranges and banana which have lost the property of producing seeds, can be made to reproduce by ___________ .

Question : Plants have low energy needs as compared to animals . Explain.

Question : Plants growing well in full sunlight are called

Question : Plants growing in shady regions are

Question : Plants growing in extremely cold soils are

Question : Plants give out both O_(2) and CO_(2)during night

Question : Planting tress increases the ground water level.

Question : ________ is the art of developing economically important plants with superior quality.

Question : Plant diseases are caused by..... Like virsues, bacteria and fungi.

Question : Plant decomposers are

Question : Plant cells store fat in

Question : Planariareproducesasexuallyasexullyby ______.

Question : Placenta is the region, where

Question : Placenta is embedded in :

Question :Placenta in man

Question : Place two or three unripe tomatoes in a brown paper bag with a ripe bananas and roll thetop closed. In another bag place two or three unripe tomatoes only and roll the top closed, Observe what happens to the tomatoes? Why

Question : Pituitary gland is found in

Question : Pituitary gland is divided into four lobes.

Question : Pith is differentiated in monocot stems.

Question : Pili in bacteria represent the extension of its

Question : Pigments contained in the cones of the retina are associated with

Question : Pick up correct statement for the concept of biodiversity.

Question : Pick the odd one out.............

Question : Pick out the disease which spreads through cuts and wounds.

Question : Pick out the bacterial disease,

Question : Phytohormones are

Question : Phytochrome is used

Question : Phylum Nemathelminthes includes these very common organisms, some of which are parasitic and most of which are often found in soil

Question : Phycoerythin is present in

Question : Phototropic and geotropic movements in plants have been traced to be linked with

Question : Photosynthetic pigments are found on,

Question : Photosensitive pigment is

Question : Photorespiration in plants occurs in,

Question : Photoperiodism is