22339 + Interview Questions in Biology in Class 11 Page 137 InterviewSolution

6801.	Question : Which is correct hierarchical sequence?
Answer» PHYLUM, CLASS, order, FAMILY Phylum, DIVISION, family, class Genus, SPECIES, order, family Division, order, class, genus. Answer :A

Discussion

6802.	Question : Which is correct about the bile ofrabbit
Answer» It is synthesized by gall BLADDER & also stored there It is an enzyme which EMULSIFY the fats It contains bile salts & bile PIGMENTS Billirubin present in it decomposed fats Solution :Bile juice cotain salts and bile pigments

Discussion

6803.	Question : Which is correct about the bile?
Answer» It is synthesized by GALL bladder and also STORED there It is an enzyme which emulsifies the fats It contain bile salts and bile pigments Bilirubin PRESENT in it decomposes fats Answer :C

Discussion

6804.	Question : Which is correct about chlorophyll a and b in leaves of higher plants?
Answer» Both are present in equal proportion CHLOROPHYLL a is more than chlorophyll b Chlorophyll a is LESS than chlorophyll b Chlorophyll b is TEN TIMES more than chlorophyll a Solution :Chlorophyll a is more than chlorophyll b.

Discussion

6805.	Question : Which is correct?
Answer» distal convoluted tubule -reabsorption of `K^(+)` ions afferent arteriole -carries blood aways from glomeruls podocytes - CREATE mintue spaces (slit PORES) for FILTRATION henel's loop - most reabsorption of major substance Solution :Distal convoluted tubule-secretion of `K^(+)` ions. EFFERENT arteriole -carries blood away from glomerulus Podocytes-create minute spaces (slit pores) for filtration Henle's loop-minimum reabsorption of major substances

Discussion

6806.	Question : Which is considered as basic unit of classification?
Answer» Phylum Family Species Kingdom Answer :C

Discussion

6807.	Question : Which is called as "Night Shade Family" ?
Answer» SOLANACEAE FABACEAE Apocyanaceae Liliaceae SOLUTION :Solanaceae

Discussion

6808.	Question : Which is called as imperfect fungi ?
Answer» BASIDIOMYCETES ZYGOMYCETES DEUTEROMYCETES ASCOMYCETES Answer :C

Discussion

6809.	Question : Which is/are included in the phanergams ?
Answer» Pteridophytes Gymnosperms ANGIOSPERMS Both B and C Solution :Gymnosperms and angiosperms included in the phanerogames (SEED bearing PLANTS)

Discussion

6810.	Question : Which is/are correct for the ferm Dryopteris ?
Answer» Sporophyte is PARTIALLY DEPENDENT on GAMETOPHYTE Sporophyte is INDEPENDENT Gametophyte is independent Both B and C Solution :Sporophyte and gametophyte are independent in fern Dryopteris/pterodophytes.

Discussion

6811.	Question : Which is an organic compound found in most cells?
Answer» Glucose Water Sodium chloride Oxygen Answer :A

Discussion

6812.	Question : Which is an example for compound tunicated bulb ?
Answer» ALLIUM CEPA Allium sativum TULIPA sps Bulbophyllum SOLUTION :Allium sativum

Discussion

6813.	Question : Which is an essential amino acid
Answer» Serine Aspartic ACID Glycine Phenylalanine Answer :D

Discussion

6814.	Question : Which is an autoimmune disease?
Answer» Cancer Asthma ERYTHROBLASTOSIS FOETALIS MYASTHENIA gravis Answer :D

Discussion

6815.	Question : Which is an anticoagulant?
Answer» sucrose FRUCTOSE glucose maltose Solution :Fructose

Discussion

6816.	Question : Which is an animal starch? Where can we see it in our body?
Answer» SOLUTION :Glycogen. It is found in LIVER CELLS & skeletal MUSCLES.

Discussion

6817.	Question : Which of the following is a type of agamospermy?
Answer» DEVELOPMENT of EMBRYO without gametic union A type of SEXUAL reproduction in which there is no differentiation of MALE and female gametes Development of new individual from the union of two sperms Development of new individual directly without FORMING an embryo Answer :A

Discussion

6818.	Question : Which is also called as vascular cryptogam?
Answer» Gymnosperms PTERIDOPHYTES Bryophytes ALGAE ANSWER :B

Discussion

6819.	Question : Which is a type of respiration that can occur in water and air?
Answer» Brachial Cutaneous LUNGS Gills Answer :A::C

Discussion

6820.	Question :Which is a true statement about ribosomes?
Answer» RIBOSOMES CONTAIN DNA and protein Ribosomes are ACTIVE in CARBOHYDRATE synthesis Ribosomal subunits leave the nucleus and formribosomes in the cytoplasm Polyribosomes are the subunits of ribosomes Solution :Ribosomal subunits leave the nucleus and formribosomes in the cytoplasm

Discussion

6821.	Question : Which is a type of agamospermy?
Answer» Layering grafting Adventitive embryony All of these Answer :C

Discussion

6822.	Question : Which is a true bacteria ?
Answer» HALOBACTERIUM Thermoplasma Methanobacterium AZOTOBACTER ANSWER :D

Discussion

6823.	Question : Which is a reducing sugar?
Answer» GALACTOSE GLUCONIC acid `BETA`-METHYL galactoside Sucrose Answer :A

Discussion

6824.	Question : Which is a reducing sugar ?
Answer» Cellulose Maltose SUCROSE Starch Answer :B

Discussion

6825.	Question : Which is a prokaryote glant ?
Answer» SOLUTION :Largest prokaryote is a rod-shaped bacterium, Epulopiscium fishelsoni. It is about `600mum` (over HALF a milimere) long and `80mum`WIDE . It lives as a symbiont in the gut of the brown sturgeon, a FISH.

Discussion

6826.	Question : Which is a fish ?(A) Cuttle fish(B) Silver fish(C) Flying fish(D) All of these
Answer» CUTTLE fish Silver fish Flying fish All of these ANSWER :C

Discussion

6827.	Question : Which is a character of Rhodophyceae ?
Answer» Major pigments are CHLOROPHYLL a and b Commonly CALLED brown algae Stored food is mannitol and laminarin Flagella are absent Solution :Major pigments are cha a and d Comonly called red algae Stored food in floridean STARCH Falgella are absent Cell WALL contains cellulose, pectin and polysulphate esters.

Discussion

6828.	Question : Which ionholds the ribosomal subunits together
Answer» `Ca^(+2)` `Mn^(+2)` `Mg^(+2)` `Na^(+)` ANSWER :C

Discussion

6829.	Question : Which ion is essential for muscle contraction?
Answer» Na K CA `Cl_2` SOLUTION :Ca

Discussion

6830.	Question : Which intermediate undergoes lysis in glycolysis ?
Answer» SOLUTION :FRUCTOSE, 6-bisphosphate.

Discussion

6831.	Question : Which hormones stimulate ovulation and development of corpus luteum ?
Answer» SOLUTION :Luteinisng HORMONE.

Discussion

6832.	Question : Which of the following hormones stimulate m production of pancreatic juice and bicarbonate?
Answer» CHOLECYSTOKININ and SECRETIN INSULIN and GLUCAGON ANGIOTENSIN and epinephrine Gastrin and Insulin Solution :N/A

Discussion

6833.	Question : Which hormones promote activity of each other?
Answer» ANSWER :AUXINS and GIBBERELLINS

Discussion

6834.	Question : Which hormones induces secretion of succus entencus
Answer» Insulin Secretin and cholycystokinin Glucagon Secretin Answer :D

Discussion

6835.	Question : Which hormones does posterior pituitary synthesise ? Or Are hormones released from posterior pituitary synthesized by it ? Clarify
Answer» SOLUTION :No hormones are synthesized by POSTERIOR pituitary .Hormones are ACTUALLY synthesized in the hypothalamus and only released by posterior pituitary

Discussion

6836.	Question : Which hormones help in osmoregülation?
Answer» SOLUTION :Aldosterone and antidiuretic HORMONE (ADH or vasopressin).

Discussion

6837.	Question : Which hormones do the pituitary glands release ?
Answer» SOLUTION :(a) PancreaseInsulin (from `BETA` cells) , Glucagon (from `alpha` cells) (b) TestisAndrogens LIKE testosterone (C ) OvaryExtrogens (e.g., `beta`-ESTRADIOL), progesterone (d) ThymusThymosine (e ) AtriumAtrial natriuretic factor (ANF) (f) KidneyRenin and erythropoietin (g) GI TractGastrin (from stomach), Secretin cholecystokinin, pancreozymin and duocrinin (from duodenal mucosa), and enterocrinin and villikinin (from intestinal mucosa).

Discussion

6838.	Question : Which hormones are released from ovary ? How is secondary sexual characters regulated by it ?
Answer» Solution :Females have a pair of ovaries LOCATED in the abdomen. ovary is the parimary female sex organ which produces one ovum during each menstrual cycle. ( Mature `underset(+)(O) 14 to 40`Year). Ovary also produces two grups of steroid hormones called ESTROGEN and progesterone. ovary is composed of ovarian follicles and stromal tissues. The estrogen is synthesized and secreted MAINLY by the growing ovarian follicles. After ovulation, the ruptured follicle is converted to a structure celled corpus luteum, which secretes mainly progesterone. Estrogens produce wide ranging ACTIONS such a stimulation of growth and activities of female secondary sex organs, development of growing ovarian follicles, appearance of female secondary sex characters, mammary gland development etc. Estrogens also regulate female sexual BEHAVIOUR. Progesterone supports pregnancy. It also acts on the mammary glands and stimulates the formation of alveoli which store milk and milk secretion.

Discussion

6839.	Question : Which hormone regulates 24 hour cycle and controls sleep and wakefulness ?
Answer» ADRENALIN Melationin CALCITONIN PROLACTIN ANSWER :B

Discussion

6840.	Question : Which hormone regulates the permeability of DCT and collecting tubules to water?
Answer» SOLUTION :Anti-Diuretic HORMONE (ADH), ALSO called VASOPRESSIN.

Discussion

6841.	Question : Which hormone regulates the development, maturation and functions of male reproductive system.
Answer» ANDROGENS LTH FSH TSH ANSWER :A

Discussion

6842.	Question : Which hormone promotes cell division, protein synthesis and bone growth?
Answer» PTH ACTH ADH GH Solution :Growth HORMONE (GH) secreted by ANTERIOR pituitary PROMOTES cell DIVISION, PROTEIN synthesis and bone growth.

Discussion

6843.	Question : Which hormone level increases during vernalisation?
Answer» ANSWER :GIBBERELLINS.

Discussion

6844.	Question : Which hormone is responsible for milk ejection after the birth of the baby ?
Answer» oxytocin progesterone prolactin estrogens

Discussion

6845.	Question : Which hormone is maximum in coconut milk?
Answer» gibberellins ethylene cytokinin auxin

Discussion

6846.	Question : Which hormone is associated with senescence or ageing?
Answer» ANSWER :ETHYLENE

Discussion

6847.	Question : Which hormone influences the activity of kidney?
Answer» VASOPRESSIN Thyroxin Vasopressin and ALDOSTERONE Gonadotrophin SOLUTION :Vasopressin and aldosterone

Discussion

6848.	Question : Which hormone increases Ca^("+2") absorption form digested food and increases Ca^("++") level in blood ?
Answer» THYMOSIN PTH Thyroxine TCT ANSWER :B

Discussion

6849.	Question : Which hormone increases the heart beat?
Answer» ACETYLCHOLINE GASTRIN EPINEPHRINE OXYTOCIN SOLUTION :epinephrine

Discussion

6850.	Question : Which hormone increases blood Ca^(++) levels and which decrease it both together regulate the level in blood plasma ?
Answer» SOLUTION :PARATHYROID increases `Ca^(++)` LEVELS and CALCITONIN decreases `Ca^(++)` levels in blood plasma.

Discussion

Explore topic-wise InterviewSolutions in .

Question : Which is correct hierarchical sequence?

Question : Which is correct about the bile ofrabbit

Question : Which is correct about the bile?

Question : Which is correct about chlorophyll a and b in leaves of higher plants?

Question : Which is correct?

Question : Which is considered as basic unit of classification?

Question : Which is called as "Night Shade Family" ?

Question : Which is called as imperfect fungi ?

Question : Which is/are included in the phanergams ?

Question : Which is/are correct for the ferm Dryopteris ?

Question : Which is an organic compound found in most cells?

Question : Which is an example for compound tunicated bulb ?

Question : Which is an essential amino acid

Question : Which is an autoimmune disease?

Question : Which is an anticoagulant?

Question : Which is an animal starch? Where can we see it in our body?

Question : Which of the following is a type of agamospermy?

Question : Which is also called as vascular cryptogam?

Question : Which is a type of respiration that can occur in water and air?

Question :Which is a true statement about ribosomes?

Question : Which is a type of agamospermy?

Question : Which is a true bacteria ?

Question : Which is a reducing sugar?

Question : Which is a reducing sugar ?

Question : Which is a prokaryote glant ?

Question : Which is a fish ?(A) Cuttle fish(B) Silver fish(C) Flying fish(D) All of these

Question : Which is a character of Rhodophyceae ?

Question : Which ionholds the ribosomal subunits together

Question : Which ion is essential for muscle contraction?

Question : Which intermediate undergoes lysis in glycolysis ?

Question : Which hormones stimulate ovulation and development of corpus luteum ?

Question : Which of the following hormones stimulate m production of pancreatic juice and bicarbonate?

Question : Which hormones promote activity of each other?

Question : Which hormones induces secretion of succus entencus

Question : Which hormones does posterior pituitary synthesise ? Or Are hormones released from posterior pituitary synthesized by it ? Clarify

Question : Which hormones help in osmoregülation?

Question : Which hormones do the pituitary glands release ?

Question : Which hormones are released from ovary ? How is secondary sexual characters regulated by it ?

Question : Which hormone regulates 24 hour cycle and controls sleep and wakefulness ?

Question : Which hormone regulates the permeability of DCT and collecting tubules to water?

Question : Which hormone regulates the development, maturation and functions of male reproductive system.

Question : Which hormone promotes cell division, protein synthesis and bone growth?

Question : Which hormone level increases during vernalisation?

Question : Which hormone is responsible for milk ejection after the birth of the baby ?

Question : Which hormone is maximum in coconut milk?

Question : Which hormone is associated with senescence or ageing?

Question : Which hormone influences the activity of kidney?

Question : Which hormone increases Ca^("+2") absorption form digested food and increases Ca^("++") level in blood ?

Question : Which hormone increases the heart beat?

Question : Which hormone increases blood Ca^(++) levels and which decrease it both together regulate the level in blood plasma ?