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HSC Science (General) १२ वीं कक्षा - Maharashtra State Board Important Questions for Biology

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Biology
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Explain following term:

Polyembryony

Appears in 1 question paper
Chapter: [1] Reproduction in Lower and Higher Plants
Concept: Polyembryony

Erythroblastosis foetalis is caused when the mother is ____________.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Embryonic Development in Human

Give the name and function for ‘A’ and ‘B’ from the diagram given below

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Gametogenesis

With the help of diagrammatic representation, explain the process of gametogenesis

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Gametogenesis

Give the significance of fertilization.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Fertilization in Human

The trophoblast cells in contact with embryonal knob are called ___________.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Embryonic Development in Human

Describe the stages during three trimesters of pregnancy. 

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Pregnancy in Humans

Explain the process of parturition.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Parturition (Birth) in Human

Add a note on lactation.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Lactation in Human

Describe the human male reproductive system.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: The Male Reproductive System

Name the functions - Acrosome of sperm.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Gametogenesis

Abortion in the first trimester of pregnancy may occur due to lack of ___________.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Pregnancy in Humans

____________ contribute about 60% of the total volume of the semen.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: The Male Reproductive System

Sketch and Label the 'Structure of HIV'.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI)

Describe the process of budding in hydra.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Gametogenesis

The external layer of connective tissue sheath of human testis is __________.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: The Male Reproductive System

Pituitary dwarfism is treated with gene therapy by____

(A) Human insulin
(B) Tissue growth factor - Beta
(C) Tissue plasmogen activator
(D) Human growth hormone producer gene

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: The Male Reproductive System

What is the full form of IVF?

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: The Male Reproductive System

‘HAART’ is suggested for the treatment of __________

(A) malaria

(B) cancer

(C) AIDS

(D) high chloesterol level

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Sexually Transmitted Diseases (STD) or Sexually Transmitted Infections (STI)

Give the fate of mesoderm.

Appears in 1 question paper
Chapter: [2] Reproduction in Lower and Higher Animals
Concept: Lactation in Human
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