5751 + Mcqs in General Page 28 McqOptions

1351.	Sensitivity of leaves in Mimosa, depends on which factor ?
A.	Temperature
B.	Light
C.	Water
D.	Touch
Answer» E.

Discussion

1352.	What is the type of dormancy in which embryo do not differentiate into various tissue at the time offruit maturation ?
A.	Internal dormancy
B.	Physiological dormancy
C.	External dormancy
D.	Mixed dormancy
Answer» D. Mixed dormancy

Discussion

1353.	Which type of dormancy, inhibits embryo growth and germination in seed ?
A.	Endogenous dormancy
B.	Physiological dormancy
C.	External dormancy
D.	Mixed dormancy
Answer» C. External dormancy

Discussion

1354.	Which type of dormancy is found when seed is impermeable to water or gaseous exchange ?
A.	Physical dormancy
B.	Mechanical dormancy
C.	External dormancy
D.	Chemical dormancy
Answer» C. External dormancy

Discussion

1355.	In which type of dormancy, due to hardness of seed coats or integuments, embryo could not expandduring germination ?
A.	Physical dormancy
B.	Mechanical dormancy
C.	External dormancy
D.	Chemical dormancy
Answer» C. External dormancy

Discussion

1356.	Avvenge the following intne uterine devices(IUDS) in chronological order, non medical IUDS, copper IUDS and hormonal IUDS.
A.	First, Secod, Third
B.	Second, First, Third
C.	Third, First, Second
D.	First, Second, Third
Answer» B. Second, First, Third

Discussion

1357.	Which are the permenent methods of family planning ?
A.	Vasectomy, Tubectomy
B.	Condom for female, condom for male
C.	Copper T and pills.
D.	Vasectomy, copper T
Answer» B. Condom for female, condom for male

Discussion

1358.	During physiological and physical condition some changes observed in seed, is knows as ......
A.	Exogenous dormancy
B.	Endogenous dormancy
C.	Combinational dormancy
D.	Secondary dormancy
Answer» D. Secondary dormancy

Discussion

1359.	Which of the following is not a variation of diaphragm ?
A.	Conical cap
B.	Umbrella cap
C.	Vinule cap
D.	a and b both
Answer» D. a and b both

Discussion

1360.	From which day of menstrual cycle the hormonal contracaptive pills should be started ?
A.	5th day
B.	7th day
C.	1st day
D.	2nd day
Answer» B. 7th day

Discussion

1361.	Which is not related with reference to hormonal contraceptive pills ?
A.	Prevent ovum to release from the ovary
B.	Thicken the cervical mucous.
C.	Inhibites sperm penetration.
D.	Partial activation of cervical mucous
Answer» D. Partial activation of cervical mucous

Discussion

1362.	This hormone induces growth of root but inhibits growth of .......
A.	Apical bud
B.	Unfertilized fruit developement
C.	Lateral buds
D.	Root
Answer» D. Root

Discussion

1363.	Which of the following statement about ABA is inappropriate ?
A.	Induces ripening of fruit
B.	Inhibits seed germination
C.	Induces dormancy of bud
D.	Closes stomata
Answer» B. Inhibits seed germination

Discussion

1364.	From where gibberrelin was isolated for the first time ?
A.	Penicillium
B.	Asparagus
C.	Mucor
D.	Gibberella
Answer» E.

Discussion

1365.	Which hormone affects the growth of plant in adverse climatic / environmental condition ?
A.	Abscisic acid
B.	Ethylene
C.	NAA
D.	2-4, D
Answer» B. Ethylene

Discussion

1366.	Which of the following is responsible for seed dormancy ?
A.	Abscissic acid
B.	Ethylene
C.	Gibberrelin
D.	Auxin
Answer» B. Ethylene

Discussion

1367.	Which is the specific use of synthetic auxin in higher concentration ?
A.	Weedicide
B.	Inhibits growth of lateral buds
C.	Inhibits initial process of root formation
D.	Regulates cell elongation
Answer» B. Inhibits growth of lateral buds

Discussion

1368.	Which of the following statement is true for abscisic acid ?
A.	Inhibits transcription of gene
B.	Opens stomata
C.	Reduces senescence
D.	Acts as weedicide
Answer» B. Opens stomata

Discussion

1369.	What is indicated by any of the developing plant if it increase / hyperactivity in lateral buds ?
A.	It obtains more light
B.	Cytokinin decreases
C.	It stores more food
D.	Auxin decreases
Answer» E.

Discussion

1370.	Which hormone inhibits formation of new cells ?
A.	Abscisic acid
B.	Kinetin
C.	Gibberrelic acid
D.	Indol-butaric acid
Answer» B. Kinetin

Discussion

1371.	Name the hormone responsible for activity of chlorophyll in leaves.
A.	Cytokinin
B.	Ethylene
C.	Gibberrelin
D.	ABA
Answer» B. Ethylene

Discussion

1372.	Which of the following is mismatched statement for effect of auxin ?
A.	It inhibits lateral growth
B.	It induces stem elongation in plant
C.	It induces cell division
D.	It helps in further elongation of some regions
Answer» E.

Discussion

1373.	Which hormore is essential for initial growth of root ?
A.	IBA
B.	GA
C.	ABA
D.	Kinetin
Answer» B. GA

Discussion

1374.	By which physiological process water enters into seed coats of seed ?
A.	Endosmosi
B.	Diffusion
C.	Plasmolysis
D.	Imbibition
Answer» E.

Discussion

1375.	Which of the following is simple, volatile hormone ?
A.	Ethylene
B.	ABA
C.	IAA
D.	Cytokinin
Answer» B. ABA

Discussion

1376.	Which hormone inhibits senescence of vegetative parts and plants ?
A.	Auxin
B.	Cytokinin
C.	Gibberrelin
D.	Abscisic acid
Answer» C. Gibberrelin

Discussion

1377.	Drooping of fruit, after fruit maturation (ripening) shows ........ .
A.	Increase in amount of auxin
B.	Decreases in amount of auxin
C.	Reduces in amount of ABA
D.	Increase gibberrelic acid
Answer» C. Reduces in amount of ABA

Discussion

1378.	Which hormone is absent in dormnant seed ?
A.	ABA
B.	Auxin
C.	GA
D.	Ethylene
Answer» D. Ethylene

Discussion

1379.	Which is required to inhibit germination of food storing part of potato ?
A.	ABA
B.	IAA
C.	IBA
D.	GA
Answer» B. IAA

Discussion

1380.	Which of the following organic chemical is synthetic ?
A.	2-4-D
B.	IAA
C.	GA
D.	IBA
Answer» B. IAA

Discussion

1381.	Garland of green leaves remain green, by treatment of which organic chemical ?
A.	Cytokinin
B.	Auxin
C.	Ethylene
D.	Gibberrelin
Answer» B. Auxin

Discussion

1382.	From the following sentences which one is appropriate for pneumoia ?
A.	P,Q,R,S all are improper
B.	P,Q,R,S proper & S is improper
C.	P,Q are proper & R & S are improper
D.	P,Q,R,S all are proper
Answer» E.

Discussion

1383.	Which of the following hormone is responsible for cell division ?
A.	GA
B.	IAA
C.	Cytokinin
D.	Abscisic acid
Answer» D. Abscisic acid

Discussion

1384.	Which is incorrect option for cytokinin ?
A.	Retards senescence
B.	Secreted in the region of active cell division
C.	Increases dominance of apical bud
D.	Stimulates cell division
Answer» D. Stimulates cell division

Discussion

1385.	Which of the following effect of gibberrelin is observed in plant ?
A.	Long plant shorten
B.	Dwarf plant grows in longitudinal axis
C.	Induces formation of root system
D.	Yellowing of young leaves
Answer» C. Induces formation of root system

Discussion

1386.	Which is natural growth inhibitor or senescence inducing hormone ?
A.	IAA
B.	ABA
C.	NAA
D.	GA
Answer» C. NAA

Discussion

1387.	Which of the following phenomenon is regulated by abscisic acid ?
A.	Shoot elongation
B.	Origin of cell wall and cell elongation
C.	Opening and closing of stomata
D.	Abscission of leaf and dormancy
Answer» D. Abscission of leaf and dormancy

Discussion

1388.	Give the location for storage of erythrocytes
A.	Pancrea
B.	Spleen
C.	Liver
D.	Stomach
Answer» C. Liver

Discussion

1389.	_________ is an unclear byproduct of heroine ?
A.	Smack
B.	Delta-9-THC
C.	LSD
D.	Cannabinoids
Answer» B. Delta-9-THC

Discussion

1390.	What is called disease according to Oxford english dictionary ?
A.	The bad performance of body or body parts with some particular symptom.
B.	Body or body's parts that obstructs the functioning of them
C.	Any physical or actional change from normal condition
D.	Disease spread from one person to another
Answer» C. Any physical or actional change from normal condition

Discussion

1391.	What is formed during Innate immunity ?
A.	Body prepare Antibodies against antigen
B.	Antibodies are present in body from birth
C.	Prepare antibodies are introduced into body.
D.	All of the given.
Answer» C. Prepare antibodies are introduced into body.

Discussion

1392.	Which one is matched with LSD ?
A.	Fungi
B.	Bacteria
C.	Virus
D.	Protozon
Answer» B. Bacteria

Discussion

1393.	Which is the hereditary material in retro virus ?
A.	DNA
B.	RNA
C.	Lipoprotein
D.	Vitamin
Answer» C. Lipoprotein

Discussion

1394.	F2 generation is produced as a result of
A.	Crossing F1 individuals with dominant parent
B.	Crossing F1 individuals with recessive parent
C.	Crossing one of the parental individual with dominant individual.
D.	Crossing F1 individuals amongst them selves.
E.	cessive
Answer» E. cessive

Discussion

1395.	Which statement is incorrect about linkage ?
A.	It helps in maintaining the valuable traits of new varieties.
B.	It helps in forming new recombinants.
C.	Knowledge of linkage helps the breeder to combine all desirable traits in a single variety.
D.	It helps in locating genes on chromosome.
E.	cessive
Answer» D. It helps in locating genes on chromosome.

Discussion

1396.	what is called pleiotropism ?
A.	Phenomenon of multiple effect of a simple gene
B.	Phenomenon of multiple effect of multiple genes
C.	Phenomenon of multiple effect of multiple alleles
D.	all of the above
E.	cessive
Answer» B. Phenomenon of multiple effect of multiple genes

Discussion

1397.	Muliple alleles are present
A.	in different chromosomes
B.	at different loci on chromosomes
C.	at the same locus on homologous chromosome
D.	at the non homologous chromosome
E.	cessive
Answer» D. at the non homologous chromosome

Discussion

1398.	Crossing over during meiosis occurs between
A.	sister chromatids
B.	Non sister chromatids
C.	Centromeres
D.	Non homologous chromosomes
E.	cessive
Answer» C. Centromeres

Discussion

1399.	Genetic balance theory for sex determination in Drosophila was proposed by
A.	Prof. R. P. Roy
B.	H. E. Warmbe
C.	C.B. Bridges
D.	Mc. Chang
E.	cessive
Answer» E. cessive

Discussion

1400.	Incomplete linkage in Drosophila produces off springs with parental and non-parental combinations.State the percentage of non parental combination of Drosophila.
A.	83%
B.	17 %
C.	15 %
D.	85 %
E.	cessive
Answer» C. 15 %

Discussion

Explore topic-wise MCQs in Biology.

Sensitivity of leaves in Mimosa, depends on which factor ?

What is the type of dormancy in which embryo do not differentiate into various tissue at the time offruit maturation ?

Which type of dormancy, inhibits embryo growth and germination in seed ?

Which type of dormancy is found when seed is impermeable to water or gaseous exchange ?

In which type of dormancy, due to hardness of seed coats or integuments, embryo could not expandduring germination ?

Avvenge the following intne uterine devices(IUDS) in chronological order, non medical IUDS, copper IUDS and hormonal IUDS.

Which are the permenent methods of family planning ?

During physiological and physical condition some changes observed in seed, is knows as ......

Which of the following is not a variation of diaphragm ?

From which day of menstrual cycle the hormonal contracaptive pills should be started ?

Which is not related with reference to hormonal contraceptive pills ?

This hormone induces growth of root but inhibits growth of .......

Which of the following statement about ABA is inappropriate ?

From where gibberrelin was isolated for the first time ?

Which hormone affects the growth of plant in adverse climatic / environmental condition ?

Which of the following is responsible for seed dormancy ?

Which is the specific use of synthetic auxin in higher concentration ?

Which of the following statement is true for abscisic acid ?

What is indicated by any of the developing plant if it increase / hyperactivity in lateral buds ?

Which hormone inhibits formation of new cells ?

Name the hormone responsible for activity of chlorophyll in leaves.

Which of the following is mismatched statement for effect of auxin ?

Which hormore is essential for initial growth of root ?

By which physiological process water enters into seed coats of seed ?

Which of the following is simple, volatile hormone ?

Which hormone inhibits senescence of vegetative parts and plants ?

Drooping of fruit, after fruit maturation (ripening) shows ........ .

Which hormone is absent in dormnant seed ?

Which is required to inhibit germination of food storing part of potato ?

Which of the following organic chemical is synthetic ?

Garland of green leaves remain green, by treatment of which organic chemical ?

From the following sentences which one is appropriate for pneumoia ?

Which of the following hormone is responsible for cell division ?

Which is incorrect option for cytokinin ?

Which of the following effect of gibberrelin is observed in plant ?

Which is natural growth inhibitor or senescence inducing hormone ?

Which of the following phenomenon is regulated by abscisic acid ?

Give the location for storage of erythrocytes

_________ is an unclear byproduct of heroine ?

What is called disease according to Oxford english dictionary ?

What is formed during Innate immunity ?

Which one is matched with LSD ?

Which is the hereditary material in retro virus ?

F2 generation is produced as a result of

Which statement is incorrect about linkage ?

what is called pleiotropism ?

Muliple alleles are present

Crossing over during meiosis occurs between

Genetic balance theory for sex determination in Drosophila was proposed by

Incomplete linkage in Drosophila produces off springs with parental and non-parental combinations.State the percentage of non parental combination of Drosophila.