MCQs test sample in biology for class 12th-CBSE-JAC exams

 

MCQs test sample in biology for class 12th-CBSE-JAC Exams

Hi guys in this article we know about MCQs test sample in biology for class 12th and neet exam from esson-2 sexual reproduction in flowering plants and their sub-topics is part of flower

* introduction :- students might be busy in your preparation for coming 12th board Jharkhand academic Council exams.biologysir.com will provide many type of education material like fill in the blanks, true or false matching type questions ,multiple choice questions,MCQs test sample -3 in biology ,very short questions answers type, short questions answer type and long questions type of 12th class Biology from each topic that help you in your preparation. It provides MCQ test sample -3 in Biology for class 12th- CBSE -JAC exam

*In this post :- we provide you MCQs test sample in biology with answer from the lesson 2 sexual reproduction in flowering plant .biologysir.com

■MCQs test sample in biology for class 12th-CBSE-JAC Exams

■ lesson-2 sexual reproduction in flowering plants

■ sub-topics:- part of flower

mcq in biology from flower

Parts of a typical flower

Q1) stalk of flower is known as

A) peduncle
B) petiole
C) pedicel
D) bract

Ans. C

Q2) male part of flower

A) stamens
B) sepal
C) petal
D) carpel

Ans. A

Q3) female part of flower

A) stamens
B) sepal
C) petal
D) carpel

Ans. D

Q4) non essential part of flower

A) stamens
B) sepal
C) sepal and petals both
D) carpel

Ans. C

Q5) essential part of flower

A) stamens
B) sepal
C) stamen and carpel both
D) carpel

Ans. C

Q6) the flower which bearing all 4 whorls

A) incomplete flower
B) complete flower
C) bisexual flower
D) unisexual flower

Ans. B

Q7) single unit of androecium is known as

A) stamens
B) sepal
C) petal
D) carpel

Ans. A

Q8) single unit of gynoecium is known as

A) stamens
B) sepal
C) petal
D) carpel

Ans. D

Q9) single unit of corolla is known as

A) stamens
B) sepal
C) petal
D) carpel

Ans. C

Q10) single unit of calyx is known as

A) stamens
B) sepal
C) petal
D) carpel

Ans. B

Q11) both essential whorls are absent in the flower is known as

A) incomplete flower
B) complete flower
C) bisexual flower
D) neuter flower

Ans. D

Q12) presence of 4 free petals arrange in the form of cross

A) cruciform
B) caryophyllaceous
C) Rosaceous
D) papilionaceous

Ans. A biologysir.com

Q13) the petals are five or more than five having very reduce claw or sessile

A) cruciform
B) caryophyllaceous
C) Rosaceous
D) papilionaceous

Ans. C biologysir.com

Q14) presents of five petals and their limb of petals spread outward

A) cruciform
B) caryophyllaceous
C) Rosaceous
D) papilionaceous

Ans. B

Q15) butterfly shape irregular Petals

A) cruciform
B) caryophyllaceous
C) Rosaceous
D) papilionaceous

Ans. D

■MCQs test sample-3 in biology for class 12th-CBSE-JAC Exams

■ lesson-2 sexual reproduction in flowering plants

■ sub-topics:- part of flower

■provides MCQ test sample -3 in Biology for class 12th- CBSE -JAC exam

Q16) the largest posterior petals in papilionaceous

A) standard or vexillum
B) wings
C) keel
D) none

Ans. A

Q17) the two lateral small petals in papilionaceous

A) standard or vexillum
B) wings
C) keel
D) none

Ans. B

Q17) the two anterior petals in papilionaceous

A) standard or vexillum
B) wings
C) keel
D) none

Ans. C

Q18) all the stamens are free in the androecium is known as

A) polyandrous
B) epipetalous
C) epiphylous
D) gyndrous

Ans. A

Q19) filaments of stamens join with Petals

A) polyandrous
B) epipetalous
C) epiphylous
D) gyndrous

Ans. B

Q20) stamens arising from tepals

A) polyandrous
B) epipetalous
C) epiphylous
D) gyndrous

Ans. C biologysir.com

Q21) stamens join with sepal

A) polyandrous
B) epipetalous
C) epiphylous
D) episepalous

Ans. D

Q22) when the anthers of stamen United with stigma of carpel is known as

A) polyandrous
B) epipetalous
C) epiphylous
D) gyndrous

Ans. D

Q23) stamens are shorter than Corolla

A) exerted
B) inserted
C) didynamous
D) tetradynamous

Ans. B

Q24) stamens longer than Corolla

A) exerted
B) inserted
C) didynamous
D) tetradynamous

Ans. A

Q25) presence of 6 stamens in which four stamens are large and two stamens are short is known as

A) exerted
B) inserted
C) didynamous
D) tetradynamous

Ans. D

Q26) the condition in which presence of four stamens having two larger and two small

A) exerted
B) inserted
C) didynamous
D) tetradynamous

Ans. C

Q27) when both filaments and anther of stamens are fused completely

A) polydelphous
B) syncarpous
C) apocarpous
D) synandrous

Ans. D

Q28) presence of carpel which are free from each other

A) polydelphous
B) syncarpous
C) apocarpous
D) synandrous

Ans. C

■MCQs test sample-3 in biology for class 12th-CBSE-JAC Exams

■ lesson-2 sexual reproduction in flowering plants

■ sub-topics:- part of flower

Q29) presence of carpel which are fused to each other

A) polydelphous
B) syncarpous
C) apocarpous
D) synandrous

Ans. B

Q30) stalk of stamen is known as

A) anther
B) filament
C) both A and B
D) none

Ans. B

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2) biology class 11th and 12th all full forms

3) MCQs test sample-1 in biology for class 12th-JAC Exams

Q31) upper broader knob like bilobed structure is known as

A) anther
B) filament
C) both A and B
D) none

Ans. A

Q32) normal structure of anther is

A) bithecous
B) monothecous
C) trithecous
D) tetrathecous

Ans. A

Q33) number of microsporangium in 1 and anther of stamen

A) 2
B) 3
C) 4
D) 1

Ans. C

Q34) outer layer of microsporangium is known as

A) epidermis
B) endothecium
C) middle layer
D) tapetum

Ans. A

Q35) innermost layer of microsporangium is known as

A) epidermis
B) endothecium
C) middle layer
D) tapetum

Ans. D

Q36) innermost layer of microsporangium which nourishing the developing microspore

A) epidermis
B) endothecium
C) middle layer
D) tapetum

Ans. D biologysir.com

Q37) the term monocarpellary is

A) single carpel
B) two carpel
C) three carpel
D) none

Ans. A

Q38) term unitegmic means

A) 1 integument
B) 2 integument
C) 3 integument
D) none

Ans. A

Q39) the ovule contains thin wall parenchymatous cell

A) integument
B) nucellus
C) micropyle
D) hilum

Ans. B

Q40) nucellus is protected by which structure

A) chalaza
B) micropyle
C) integument
D) none

Ans. C

Q41) small opening in integument is

A) chalaza
B) micropyle
C) integument
D) none

Ans. B

Q42) the basal portion of nucellus

A) chalaza
B) micropyle
C) integument
D) none

Ans. A

■MCQs test sample-3 in biology for class 12th-CBSE-JAC Exams

■ lesson-2 sexual reproduction in flowering plants

■ sub-topics:- part of flower biologysir.com

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