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Reproduction (NEST)

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In the word parthenocarpous, parthenos stands for virgin, while carpous stands for

  1. stem

  2. leaf

  3. fruit

  4. root

  5. flower


Correct Option: C
Explanation:

It is a fleshy product of a tree or plant that derives from flowers.

The process in which androecium matures and sheds pollen before maturation of gynoecium is known as

  1. protogyny

  2. protandry

  3. self incompatibility

  4. inter specific sexual incompatibility

  5. intra specific sexual incompatibility


Correct Option: B
Explanation:

It is a condition in which male reproductive organ matures before female reproductive organ.

Which of the following plays a predominant role in its dehiscence?

  1. Gynoecium

  2. Endothecium

  3. Tapetum

  4. Epidermis

  5. Androecium


Correct Option: B
Explanation:

It is the inner lining of an anther.

Embryosac consists of

  1. egg and polar nuclei

  2. egg

  3. synergids

  4. antipodal cells

  5. synergids and antipodal cells


Correct Option: C
Explanation:

Synergids direct the growth of pollen tube by secreting some chemical substances.

The inner most layer of microsporangium that nourishes a developing pollen grain is known as

  1. tapetum

  2. endodermis

  3. endothecium

  4. sporogenous cell

  5. sporopollenin


Correct Option: A
Explanation:

It provides nourishment to pollen grains.

Name the organic substance that can withstand extreme environment conditions.

  1. Lignin

  2. Cuticle

  3. Cellulose

  4. Testa

  5. Sporopollenin


Correct Option: E
Explanation:

It is an organic substance that can withstand extreme environment conditions.

______ is a type of allergy which is usually caused by pollens.

  1. Anaphylaxis

  2. Mold allergy

  3. Rhinitis

  4. Latex allergy

  5. None of these


Correct Option: C
Explanation:

This allergy is usually caused by pollens.

An egg having little yolk is known as

  1. alectithal

  2. mesolecithal

  3. microlecithal

  4. macrolecithal

  5. None of these


Correct Option: C
Explanation:

It is an egg that has little yolk.

Kappa particles are made up of

  1. lipids and fats

  2. lignin and cellulose

  3. DNA and proteins

  4. cellulose and chitin

  5. carbohydrates and proteins


Correct Option: C
Explanation:

Kappa particles are made up of deoxyribonucleic acid.

The process of differentiation of cells at specific places in the germ layer to form tissue, organ and organ system is called

  1. blastulation

  2. organogenesis

  3. fertilisation

  4. gametogenesis

  5. spermatogenesis


Correct Option: B
Explanation:

It is the process of differentiation of cells at specific places in the germ layer to form tissue, organ and organ system.

The union of male and female gametes in humans to form a zygote is also known as

  1. gestation

  2. gastrulation

  3. segmentation

  4. conception

  5. parturition


Correct Option: D
Explanation:

It is the process of fertilisation.

Which of the following mature(s) during menstrual cycle?

  1. Ootid

  2. Ovum

  3. Oocyte

  4. Gametocyte

  5. All of the above


Correct Option: C
Explanation:

It matures during menstrual cycle.

The gestation period of a rhesus monkey is

  1. 270 days

  2. 310 days

  3. 213 days

  4. 280 days

  5. 250 days


Correct Option: C
Explanation:

It is the gestation period of a rhesus monkey.

The attachment of blastocyst to the uterine wall is known as

  1. fertilisation

  2. implantation

  3. gestation

  4. parturition

  5. All of the above


Correct Option: B
Explanation:

It is the attachment of blastocyst to the uterine wall.

Shell coiling that takes place in zonitoides nitidus snail is known as

  1. sinistral coiling

  2. dextral coiling

  3. neither sinistral nor dextral coiling

  4. None of these

  5. All of the above


Correct Option: B
Explanation:

Coiling of a shell clockwise

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