Home
Class 12
BIOLOGY
some important events that occur during ...

some important events that occur during the menstrual cycle are given below. Arrange the events in a proper sequence and select the corrrect option.
(i). Proliferation of endometrial wall
(ii). LH surge
(iii). Secretion of estrogen
(iv). Secretion of progesterone
(v). Ovulation
(vi). Growth of corpus luteum
(vii). Degeneration of corpus luteum
(viii). menstruation

A

`(ii)to(iv)to(iii)to(i)to(vii)to(v)to(viii)to(vi)`

B

`(iii)to(i)to(ii)to(v)to(vi)to(iv)to(vii)to(viii)`

C

`(v)to(i)to(vi)to(viii)to(iii)to(iv)to(vii)to(ii)

D

`(ii)to(v)to(vi)to(i)to(viii)to(vii)to(iii)to(iv)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Some important events that take place during fertilisation are given below. Arrange the events in a proper sequence and select the correct option. (i). Cortical reaction (ii). Sperm entry (iii). Karyogamy (iv). Acrosomal reaction

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper squence. A- Secretion of FSH, B - Growth of corpus luteum, C- Growth of the follicle and oogenesis, D- Ovulation E - Sudden increase in the levels of LH.

Some important events in the human female reproductive cycle are given below. Arrange the events in a proper squence. A- Secretion of FSH, B - Growth of corpus luteum, C- Growth of the follicle and oogenesis, D- Ovulation E - Sudden increase in the levels of LH.

Some of the step involved in the production of humulin are given below. Arrange them in the correct sequence and select the correct option (i) Synthesis of gene (DNA) for human insulin artifically (ii) Culturing recombinant E.coli in bioreactors (iii) Purification of humulin (iv) Insertion of human insulin gene into plasmid (vi) Etraction of recombinant gene product from E.coli.

Below is given the unorganised list of some important events in the human female reproductive cycle. Identify the correct sequence of these events and select the correct option. (i). Secretion of FSH (ii). Growth of corpus luteum (iii). Growth of the follicle (iv). Ovulation (v) Sudden increase in the levels of LH

Below is given the unorganised list of some important events in the human female reproductive cycle. Identify the correct sequence of these events and select the correct option. (i). Secretion of FSH (ii). Growth of corpus luteum (iii). Growth of the follicle (iv). Ovulation (v) Sudden increase in the levels of LH

The steps involved in the mechanism of muscle contraction are given below. Arrange the steps in proper sequential order and select the correct option. I. Release of calcium ions in the sarcoplasm. II. Signal sent by the CNS via a motor neuron. III. Binding of calcium with a subunit of troponin on actin filaments. IV. Generation of the action potential in the sarcolemma. V. Binding of myosin head to the exposed active sites on actin to form a cross-bridge. VI. Inward pulling of ‘Z’ line attached to actin causing shortening of the sarcomere. VII. Pulling of the attached actin filaments towards the centre of 'A' band. VIII. Release of neurotransmitter acetylcholine and generation of the action potential in the sarcolemma.

Given below are the steps involved in parturition. Arrange them in proper sequence and select the correct option. I. The induction of mild uterine contractions is called foetal ejection reflex. II. Stronger uterine contractions causing the further release of oxytocin. III. Origination of signals from the fully developed foetus and placenta. IV. Release of oxytocin from maternal pituitary V. Expulsion of baby from the birth canal (a) III , IV , I , II , V (b) III, I , IV , II , V (c) I, III , II , IV ,V (d) II , IV , III, I,V

Given below are the steps of protein synthesis. Arrange them in correct sequence and select the correct option. (i) Codon- anticodon reaction between mRNA and aminoacyl tRNA complex. (ii) Attachment of mRNA and smaller sub-unit of ribosome. (iii) Charging or aminoacylation of tRNA . (iv) Attachment of larger sub-unit of ribosome to the mRNA-tRNA _("Met") complex. (v) Linking of adjacent amino acids. (vi) Formation of polypeptide chain.