Maharashtra State Board Question Bank 2021- Biology Chapter 2- Reproduction in Lower and Higher Animal

 MCQ


1 The primary sex organ in human males is

A. prostate gland

B. seminal vesicle

C. penis

D. testis


  


2 Seminal fluid is ------- in nature.

A. acidic

B. neutral

C. sugary

D. alkaline




3 Which of the following is not a part of uterus?

A. body

B. cervix

C. fundus

D. cornua




4 Meanrch, menstrual cycle and menopause are controlled by-----

A. thyrotropic hormone

B. gonadotropic hormone

C. somatotropic hormone

D. corticotropin




5 Nebenkern is ---------

A. acrosome of sperm

B. neck of sperm

C. middle piece of sperm

D. mitochondrion of sperm



6 Nervous system develops from……. of

embryonic layer.

A. endoderm

B. chorion

C. ectoderm

D. mesoderm

Correct answer




7 The average period of pregnancy in human lasts for……. days of pregnancy.

A. 280

B. 270

C. 266

D. 290




8 ……… is not a permanent method of birth control.

A. vasectomy

B. tubectomy

C. withdrawal

D. castration




9 The organism which causes Gonorrhoea is……

A. Trepenoma

B. Neisseria

C. Entamoeaba

D. Salmonella




10 How many pairs of testis are present in human male?

A. 2 pairs

B. 1 pair

C. only one testis

D. only one ovary




Single sentence answers Key word in answer


1 Name the enzyme secreted by the prostate gland.

Acid phosphatase

2 21



2 What is glans penis? 

Swollen tip of externa genitalia or penis

2 22



3 What is atresia with respect to ovary in human females?

Large scale destruction of primordial follicles.

2 23



4 Name the hydrolytic enzyme secreted by the acrosome.

Hyluronidase 

2 29


5 What is morula?

16-32 celled stage develops during cleavage

2 33



6 What is the function of inner cell mass?

Embryo proper develops form these cells

2 33



7 Name the embryonic layer from which heart, blood and blood vessels develop.

Mesoderm 

2 35



8 Identify the permanent birth control method in given diagram.



Tubectomy 

2 41



9 What is the use of tablet ‘Saheli’? 

Oral contraceptive pill

2 41



10 Identify the IUD in the given diagram.


Lippes loop 

2 15



2 marks


1 Draw a well labelled diagram of L.S. human testis.

Four correct labels-½ mark each 

2 20



2 Describe the structure of Graafian follicle. 

Four correct points -Each point ½ mark

2 24


3 Write a short note on fallopian tube. 

Three correct parts-1 and ½ marks

Any one function-1/2 mark

2 24



4 Give an account of external genitalia in human females.

Any four parts- ½ mark each

2 25



5 Explain the structure of secondary oocyte. 

Any four points ½, mark each.

2 30



6 Write an account of cleavage during embryonic development in humans.

Any four points with morula stage-½ mark each

2 33



7 Identify the parts labelled in the given diagram.





Each label-1/2 mark

2 34


8 What is lactation? Which hormone is responsible for its regular secretion?

Two correct points -1 mark each

2 38



9 Mention any two different goals of RCH programme.

Two correct points-1 mark each.

2 39



10 What is MTP? 

Upto which month it is Four correct points-1/2 mark each.

2 41



3 marks

1 Describe the histology of testis with help of labelled diagram.

Structure- 2 marks

Diagram with two correct labels -1 mark

2 20



2 Identify the labels from the given diagram.

Each correct label – ½ mark

2 22




3 Describe the histological structure of human ovary (diagram not expected).

Three correct points-1 mark each.

2 23



4 Explain the structure of human sperm with labelled diagram.

Structure -2 marks 

Diagram with any two correct labels-1 mark

2 29



5 Describe the process of oogenesis in human female.

Three stages with correct explanation-1 mark each

2 29-30



6 Write a note on implantation. 

Correct explanation, three points-1 mark each.

2 34



7 Human pregnancy shows three prominent trimesters. 

Answer the following question based on these trimester.

i) What is morning sickness during first trimester?

ii) Name the hormone secrete in second trimester.

iii) The organ which secretes hormone in second trimester is…

1 mark each 

2 35-36


8 Explain the process of parturition. 

Correct explanation of three stages- 1 mark each

2 38



9 Explain any three measures to achieve goals of RCH.

Any three correct methods-1 mark each.

2 39



10 Explain any three methods that can be used to overcome infertility.

Any three methods-1 mark each

2 43-44


4 marks

1 Write an account of seminal vesicle and bulbourethral gland in male reproductive system.

Three correct points-1 and ½ marks

Any one function-1/2 mark For each gland 

2 21



2 Explain ovarian cycle with its different phases.

Four phases- 1 mark each

2 26-27



3 Describe the process of spermatogenesis with the help of diagram.

Three stages-3 marks

Diagram with two correct labels-1 mark

2 28-29



4 Explain mechanism of fertilization in humans.

Movement of sperm- 1 mark 

Entry of sperm- 1 mark 

Activation of sperm-1 mark

Syngamy 1 mark

2 31-32



5 Write in detail any four temporary methods of birth control.

Any four method with correct explanation -1 mark each.

2 39-40