4951 + Interview Questions in Biology in Class 10 Page 49 InterviewSolution

2401.	Question : Name two inorganic substance which are used by autotrophs to make food.
Answer» WATER and oxygen carbon DIOXIDE and water sunlight and chlorophyll starch and water Answer :B

Discussion

2402.	Question : Nametwolayeredprotectivecoveringofhumanheart.
Answer» SOLUTION :PERICARDIUM

Discussion

2403.	Question : Name two human traits that show variation.
Answer» Solution :i] EYE COLOUR II] Hair colour iii] HEIGHT

Discussion

2404.	Question : Name two hormones secreted by pancreas.Write one function of each hormone.
Answer» SOLUTION :INSULIN : Regulates sugar METABOLISM, maintainblood sugar LEVEL. Glucagon : Increases BLOOD sugar level.

Discussion

2405.	Question :Name two homologous structures in vertebrates. Why are they so called? How do such organs help in understanding an evolutionary relationship?
Answer» Solution :TWO homologous structures in VERTEBRATES are: (i) limbs of birds and reptiles (iii) limbs of reptiles and amphibians. These are cailed so because the ORGANS have SIMILAR structure to perform different functions in various vertebrates. The homologous CHARACTERISTICS indicate common ancestory.

Discussion

2406.	Question : Name two enzymes present in pancreatic juice and give their functions.
Answer» Solution :PANCREATIC JUICE containsprotein digesting enzyme trypsin and FAT digesting enzyme lipase.

Discussion

2407.	Question : Name two energy sources that you would consider to be renewable. Give reasons for your choices.
Answer» Solution :(1) Hydropower, since the water in the reservoir would be REFILLED each TIME it rains. (2) WIND power, as wind keeps BLOWING due to unequal heating of the landmass and water BODIES by solar radiation.

Discussion

2408.	Question : Name two elements that are used in manufacturing solar cell panels.
Answer» SOLUTION :SILICON, SILVER

Discussion

2409.	Question : Name two animals which reproduce asexually through fission.
Answer» SOLUTION :ANIMALS that REPRODUCE ASEXUALLY through FISSION : Amoeba, Plasmodium.

Discussion

2410.	Question : Name three organisms which are fossilized.
Answer» SOLUTION :(i) Dinosaur, (II) Ammonite, (iii) TRILOBITE.

Discussion

2411.	Question : Name three parts of carpel and give one function each.
Answer» Solution :The three parts of carpel are : (i) OVARY : It contains the ovule. (II) STYLE : It exposes the stigma for pollination. (iii) Stigma : It is STICKY and receives the pollen grains during pollination.

Discussion

2412.	Question : Name three parts of large intestine. Which vestigial organ arises from the first part of it ?
Answer» SOLUTION :CAECUM, colon and RECTUM. Vermiform APPENDIX.

Discussion

2413.	Question : Name three improved characteristics of wheat that helped India to achieve high productivity.
Answer» Solution :(a) HIGH yielding (b) Semi-dwarf (c) FERTILIZER responsive These are the three improved characteristics of WHEAT that helped India to achieve high productivity. Sonalika and Kalyan sona are the high yielding VARIETIES of wheat.

Discussion

2414.	Question : Name those parts of a flower which serve the same function as the following do in animals : (i) Testis (ii) Ovary (iii) Eggs (iv) Sperms.
Answer» SOLUTION :(i) Testis - Anther (ii) Ovary - Ova (ii) EGG - Female gamete/Egg (iv) Sperms - Male gamete in POLLEN tube.

Discussion

2415.	Question : Name three accessory glands, which involve in male reproductive system of Rabbit.
Answer» Solution :(1) PROSTATE gland(2) Cowper.s gland(3) Perineal gland Their secretion INVOLVED in Reproduction.

Discussion

2416.	Question : Name the wastes which are generated in your house daily. What measures would you take their disposal ?
Answer» Solution :The WASTE GENERATED in our HOUSE and measure for its DISPOSAL are given in the table below

Discussion

2417.	Question : Name the various methods of vegetative propagation in plants.
Answer» Solution :(1) CUTTING (2) LAYERING (3) GRAFTING.

Discussion

2418.	Question : Name the various heterotrophic mode of nutrition.
Answer» SOLUTION :The various heterotrophicmode of NUTRITION are : (i)Saprophyticwhichfeed on dead or decaying organic matter, e.g., fungi. (II)Parasitic whichderive nutrition from another living organism, e.g., tapeworm. (III)Holozoicwhich FEED on otherliving organism, e.g.,amoeba, man.

Discussion

2419.	Question : Name the various factors which affect the rate of photosynthesis.
Answer» Solution :The FACTORS which affect the rate of photosynthesis are light, WATER, TEMPERATURE and CARBON dioxide.

Discussion

2420.	Question : Name the various digestive glands associated with human digestive system . Also give the name of secretion of these glands along with their functions.
Answer» Solution :The various digestive glands associatedwith human system are : `{:("S.No.","Name of glands","Name of secretion","Function of secretion"),(1.,"Salivary gland","Saliva which contains enzyme ptyalin/salvary AMYLASE.","Ptyalin digests starch and CONVERTS it to sugar maltose. Mucus present in saliva makes the food slipery so that it can be EASILY swallowed."),(2.,"Gastric glands","HCI","HCI makes the food acidic and pepsin digests protein."),(3.,"Liver","Bile juice","Emulsifies fat and bicarbonates present in it, turn the acidic food into alkaline."),(4.,"Pancreas","PANCREATIC juice. It contains enzyme trypsin, lipase and amylase.","Trypsin digests protein. Lipase digests fat and amylase digests starch."),(5.,"Intestinal glands","Succus entericus","COMPLETES the digestion of starch, proteinandfat."):}`

Discussion

2421.	Question : Name the various cells through which water moves upward to reach the leaves.
Answer» Solution :WATER ABSORBED by root hairs moves through EPIDERMIS `rarr` root cortex `rarr` endodermis `rarr` root xylem (i.e., TRACHEIDS and vessels) `rarr` stem xylem `rarr`xylem in the leaf.

Discussion

2422.	Question : Name the types of stem cells.
Answer» Solution :EMBRYONIC STEM CELL and Adult stem cell or somatic stem cell, are the TWO types of stem CELLS.

Discussion

2423.	Question : Name the types of plant hormones.
Answer» SOLUTION :(1) Auxins (2) Cytokinins (3) Gibberellins (4) Abscisic acid (5) ETHYLENE

Discussion

2424.	Question : Name the types of Auxins.
Answer» Solution :(a) Natural Auxins -The Auxins PRODUCED by plants. (B) Synthetic Auxins - Artificially SYNTHESIZED auxins.

Discussion

2425.	Question : Name the type of nuclear division that occurs during binary fission
Answer» SOLUTION :AMITOSIS

Discussion

2426.	Question : Name the two types of tansport system in the human beings
Answer»

Discussion

2427.	Question : Name the two types of sex glands.
Answer» SOLUTION :TESTES and OVARIES.

Discussion

2428.	Question : Name the two oxides that causes acid rain.
Answer» Solution :OXIDES of NITROGEN and sulphur CAUSE ACID RAIN.

Discussion

2429.	Question : Name the two major kinds of reproduction.
Answer» SOLUTION :ASEXUAL and SEXUAL REPRODUCTION.

Discussion

2430.	Question : Name the two distinct parts of adrenal.
Answer» SOLUTION :ADRENAL CORTEX and adrenal MEDULLA.

Discussion

2431.	Question : Name the two components of peripheral nervous system.
Answer» Solution :CRANIAL NERVES arising from the BRAIN and the SPINAL nerves arising from the spinal cord.

Discussion

2432.	Question : Name the two components of central nervous systems in humans.
Answer» SOLUTION :BRAIN and apinal CORD.

Discussion

2433.	Question : Name the three parts A, B and C of the flower shown in the figure and state one function of each.
Answer» SOLUTION :

Discussion

2434.	Question : Name the three layers of adrenal cortex.
Answer» SOLUTION :(a) ZONA glomerulosa (B) Zona fasciculata (C) Zona reticularis

Discussion

2435.	Question : Name the three different parts of hind brain and give one function of each.
Answer» Solution :Hind brain : It has three parts : (i) Pons (ii) Medulla (iii) Cerebellum. Functions : (i) Pons has centre for regulating the BREATHING rhythm. (ii) Medulla CONTROLS involuntary functions like BLOOD pressure, salivation, vomiting etc. (iii) Cerebellum is responsible for (a) Precision of co-ordination of voluntary actions. (b) MAINTAINING the posture nd balance of the body.

Discussion

2436.	Question : Name the three common defects of vision. What are their causes? Name the type of lens used to correct each of them.
Answer» Solution :i) MYOPIA : CAUSE : ELONGATION of EYEBALL. Types of lens used for correction, concave lens of suitable power. ii) Hypermetropia : Cause : SHRINKING of eyeball Types of lens used for correction : Convex lens of suitable power. iii) Prerbyopia : Cause : Weakening of ciliary muscles. Type of lens used for correction : Bifocal lens.

Discussion

2437.	Question : Name the three basic tissue system in flowering plants.
Answer» Solution :The THREE BASIC TISSUE system in flowering plants are (a) Dermal or epidermal tissue system, (b) Ground tissue system, (c) VASCULAR tissue system

Discussion

2438.	Question : Name the term used for the stage between two meiotic divisions
Answer» SOLUTION :INTERKINESIS

Discussion

2439.	Question : Name the tapered spinal cord into a thin thread like structure present in the posterior most region.
Answer» SOLUTION :FILUM terminale.

Discussion

2440.	Question : Name the structure, which separates abdominal and thoracic cavity.
Answer» SOLUTION :Diaphragm SEPARATES ABDOMINAL and THORACIC cavity.

Discussion

2441.	Question : Name the stage of meiosis during which synaptonemal complex is formed.
Answer» SOLUTION :ZYGOTENE.

Discussion

2442.	Question : Name the small projections, found on the upper surface of tongue.
Answer» SOLUTION :PAPILLAE. Some Papillae have TASTE BUDS.

Discussion

2443.	Question : Name the sensory receptors founds in the nose and on the tongue.
Answer» SOLUTION :OLFACTORY and GUSTATORY RECEPTORS.

Discussion

2444.	Question : Namethe secondary sexorgansin male
Answer» SOLUTION :The secondary sex organs in male are VAS DEFERENS, EPIDIDYMIS, seminal VESICLE, prostate gland and penis.

Discussion

2445.	Question : Name the second largest part of the brain. What are its function?
Answer» Solution :Cerebellum is the second LARGEST part of the brain, FORMED of two large sized hemispheres and MIDDLE vermis. Maintenance of posture and BALANCE, co-ordinate voluntary MUSCLE activity, are some of the functions of cerebellum.

Discussion

2446.	Question : Name the scientist who first explanied that new cells arose from pre-existing cells (Omnis cellule e-cellula)
Answer» SOLUTION :Rodlf VIRCHOW.

Discussion

2447.	Question : Name the scientist who first saw and described a living cel.
Answer» SOLUTION :ANTO VON LEEUWENHOEK

Discussion

2448.	Question : Name the reproductive parts of an angiosperm. Where are these parts located? Explain in brief the structure of its female reproductive parts.
Answer» Solution :(a) Each piece regenerates into a new Planaria. (B) Its FILAMENTS break into smaller pieces or fragments and each FRAGMENT gives rise to a new FILAMENT. (c) at releases spores which germinate into new mycelium in moist conditions.

Discussion

2449.	Question : Name the reducing agent in the following reaction : 3MnO_(2) + 4 Al rarr 3Mn + 2 Al_(2) O_(3) State which is more reactive, Mn or Al and why ?
Answer» SOLUTION :AL. is REDUCING AGENT.

Discussion

2450.	Question : Name the radiations from the sun that are absorbed by ozone layer. Mention one harmful effect caused by them.
Answer» Solution :Ultraviolet RADIATIONS are ABSORBED by ozone layer. Ultraviolet radiations CAUSE skin CANCER.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Name two inorganic substance which are used by autotrophs to make food.

Question : Nametwolayeredprotectivecoveringofhumanheart.

Question : Name two human traits that show variation.

Question : Name two hormones secreted by pancreas.Write one function of each hormone.

Question :Name two homologous structures in vertebrates. Why are they so called? How do such organs help in understanding an evolutionary relationship?

Question : Name two enzymes present in pancreatic juice and give their functions.

Question : Name two energy sources that you would consider to be renewable. Give reasons for your choices.

Question : Name two elements that are used in manufacturing solar cell panels.

Question : Name two animals which reproduce asexually through fission.

Question : Name three organisms which are fossilized.

Question : Name three parts of carpel and give one function each.

Question : Name three parts of large intestine. Which vestigial organ arises from the first part of it ?

Question : Name three improved characteristics of wheat that helped India to achieve high productivity.

Question : Name those parts of a flower which serve the same function as the following do in animals : (i) Testis (ii) Ovary (iii) Eggs (iv) Sperms.

Question : Name three accessory glands, which involve in male reproductive system of Rabbit.

Question : Name the wastes which are generated in your house daily. What measures would you take their disposal ?

Question : Name the various methods of vegetative propagation in plants.

Question : Name the various heterotrophic mode of nutrition.

Question : Name the various factors which affect the rate of photosynthesis.

Question : Name the various digestive glands associated with human digestive system . Also give the name of secretion of these glands along with their functions.

Question : Name the various cells through which water moves upward to reach the leaves.

Question : Name the types of stem cells.

Question : Name the types of plant hormones.

Question : Name the types of Auxins.

Question : Name the type of nuclear division that occurs during binary fission

Question : Name the two types of tansport system in the human beings

Question : Name the two types of sex glands.

Question : Name the two oxides that causes acid rain.

Question : Name the two major kinds of reproduction.

Question : Name the two distinct parts of adrenal.

Question : Name the two components of peripheral nervous system.

Question : Name the two components of central nervous systems in humans.

Question : Name the three parts A, B and C of the flower shown in the figure and state one function of each.

Question : Name the three layers of adrenal cortex.

Question : Name the three different parts of hind brain and give one function of each.

Question : Name the three common defects of vision. What are their causes? Name the type of lens used to correct each of them.

Question : Name the three basic tissue system in flowering plants.

Question : Name the term used for the stage between two meiotic divisions

Question : Name the tapered spinal cord into a thin thread like structure present in the posterior most region.

Question : Name the structure, which separates abdominal and thoracic cavity.

Question : Name the stage of meiosis during which synaptonemal complex is formed.

Question : Name the small projections, found on the upper surface of tongue.

Question : Name the sensory receptors founds in the nose and on the tongue.

Question : Namethe secondary sexorgansin male

Question : Name the second largest part of the brain. What are its function?

Question : Name the scientist who first explanied that new cells arose from pre-existing cells (Omnis cellule e-cellula)

Question : Name the scientist who first saw and described a living cel.

Question : Name the reproductive parts of an angiosperm. Where are these parts located? Explain in brief the structure of its female reproductive parts.

Question : Name the reducing agent in the following reaction : 3MnO_(2) + 4 Al rarr 3Mn + 2 Al_(2) O_(3) State which is more reactive, Mn or Al and why ?

Question : Name the radiations from the sun that are absorbed by ozone layer. Mention one harmful effect caused by them.