Choose the correct option fron following...

Choose the correct option fron following statements
I. During embryogenesis, zygate undergoes mitotic cell division.
II. In organisms with diplontic life cycle, zygote divides by meiotic cell division.
III. The pericarp (fruit wall) develop from integument of ovule, after fertillzation.
IV. In brinjal, sepals remained attached to fruit even after fertilization.

Cell division (mitosis)

Cell differentiation

Meiosis/reduction division

Both (1) and (2)

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which of the following statements regarding fertilization and implantation are incorrect ? I. During fertilization , a sperm first comes in contact with the corona radiata cells produced by the ovum. II. Fertilization occurs only if sperm and ovum are simultaneously transported to the ampullary region. III. Implantation occurs about 7 days after fertilization . IV. The continuous division of morula leads to the formation of zygote.

The following statements describe events during the mitotic cell cycle. What is the correct of these events in the mitotic cell cycle ? I. chromosomes migrated to opposite poles of the spindle. II. Chromosomes arrange themselves at the equator of the spindle. III. Chromosomes condense and the number membrane disappears . IV. Centromeres divide.

Read the following statements :- (i) Ernst Mayr, has been called "The Mendel of the 20^(th) century. (ii) All living organisms grow (iii) Unicellular organisms multiply by cell division (iv) Non-living object also exhibits metabolism How many statement is/are correct ?

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Read the following statements regarding diploid cell and identify the INCORRECT one. I. It can undergo a meiotic divisions to allow growth to occur . II . It can undergo a mitotic divisions to rejuvenate a tissue. III. It can undergo a reduction division to form haploid cells. IV. It is the one that possesses two complete sets of chromosomes .

Read the following statements. (i) In mitotic cell division chromosome number is halved. (ii) Centromere is the point where two sister chromatids are held together. (iii) The period between two successive mitotic divisions is known as telophase. (iv) In G_(1) phase of cell cycle protein and RNA are synthesised. Which of the above given statements are correct?

Read the following sentences and select the correct option with all true statements. i. During parturition , oxytocin induces intense contractions in the uterus. ii. After parturition oxytocin stimulates milk ejection. iii . The labour pain of during child-birth is due to oxytocin . iv. oxytocin is secreted from placenta and ovary .

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Go through the following statements:- (i). Primary spermatocytes undergo mitotic divisions to produce secondary spermatocytes (ii). Sperms released from the seminiferous tubules are fuly mature and motile (iii) The head of sperm possesses may mitochondria which produce energy for the movement of tail (iv) The human male ejaculates about 20-30 million sperms during a coitus which of these are correct?

Which of the following statements are correct regarding the development of embryo sac ? (i) The type of nuclear division is free , in which there is no formation of the cell wall . (ii) Out of the eight nuclei , six are surrounded by a cell wall . (iii) Central cell situated below the egg apparatus.

VMC MODULES ENGLISH-REPRODUCTION IN ORGANISMS -ENABLE

Life begin in all sexually reproducing organisms as a
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Assertion : Embryogenesis is the development of embryo from the zygote...
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Choose the correct option fron following statements I. During embryo...
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Recognise the figure and find out the correct matching
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Animals in which development of zygote takes place outside the body of...
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Animals giving birth to young ones are
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Deposition of calcareous shell around zygote occurs in
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Offspring formed by asexual method of reproduction have greater simila...
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Which is incorrect about flowering plant?
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External water is not essential for fertilization in
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Which one cannot be included under basic feature of reproduction ?
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Which of the following can show somatogenic reproduction ?
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In mammals the sheep , cow, rat etc. show reproduction during
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Which of the following animals is bisexual ?
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Which of the following statements is not correct w.r.t. earthworm ?
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The fusiion of male and female gametes in course of fertilization is c...
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Among butterfly, pigeon, horse and goat, which one has the highest chr...
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Which of the following members show the same number of chromosomes in ...
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The end of juvenile/vegetative phae marksthe beginning of the
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All of the following are pre-fertilisation events except
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