During the process of spermatogenesis, the secondary spermatocytes
undergo ___________ division to produce ___________ spermatids

The disease phenylketonuria is caused by mutation in the gene that codes for -

Which of the following statements is/are true with respect to the MTP (Amendment) Act, 2017 enacted by the GOI?
(A) A pregnancy may be terminated on certain considered grounds within the first 12 weeks of pregnancy on the opinion of two government registered medical practitioners.
(B) This act intends to reduce illegal abortions and consequent maternal mortality and morbidity.
(C) If the continuation of pregnancy involves a risk to the life of a pregnant woman, it can be terminated by the opinion of 3 government registered medical practitioners.
(D) If there is a substantial risk that the child born will be seriously handicapped, pregnancy can be terminated even if lasted for more than 12 weeks, but fewer than 24 weeks by the opinion of two government registered medical practitioners.
Choose the correct answer from the options given below:

Choose the correct sequence of events for the process of oogenesis:
A. The tertiary follicle changes into Graafian follicle
B. Formation of oogonia in fetal ovary.
C. Completion of first meiotic division by primary oocyte within the tertiary follicle.
D. Release of secondary oocyte from the ovary
Choose the correct answer from the options given below:

Which of the following biofertilisers are free living in the soil?
(A) Anabaena
(B) Azospirillum
(C) Rhizobium
(D) Azotobacter
Choose the correct answer from the options given below :

Match List-l with List-II

List-l (Evolutionary stages of human species)	List-II (Time of existence/evolution)
(A) Dryopithecus	(I) 100,000-40,000 years ago
(B) Australopithecines	(II) About 1.5 million years ago
(C) Homo erectus	(III) About 2 million years ago
(D) Neanderthal man	(IV) About 15 million years ago

Choose the correct answer from the options given below:

The sedative & painkiller drug useful for the patients who have undergone surgery is-

The core of electromagnets are made of ferromagnetic material like soft iron because the soft iron has-

\(x\)-axis, \(y=\cos x\) and \(y=\sin x, 0 \leq x \leq \frac{\pi}{2}\) is:

After ovulation, the remains of Graafian follicle are transformed into :

The natural interconnections of food chain is :

Alcohol is a depressant, which means that even small amounts of alcohol slow down the actions of parts of the brain, so alcohol lengthens the time you take to respond to a stimulus.
Different people react differently to alcohol. In some people, it increase their feelings of aggression, and releases their inhibitions so that they are more likely to be violent or commit other crimes.
An alcoholic needs to drink quite large quantities of alcohol regularly. This causes many parts of the body to be damaged, because alcohol is poisonous to cells. Probably, there are many factors which decide whether or not a person becomes alcoholic. Over a long period of time, it can cause loss of memory and confusion. One way in which the damage is done is that alcohol in the body fluids draws water out of cells by osmosis.
Alcohol lengthens the time one takes to respond to a stimulus. This occurs due to

The non-negative remainder when 7³⁶ is divided by 5 is: