NEET questions
18092 published questions with worked solutions.
- The inactive form of Bt toxin is converted to the active form in the insect gut _____
- Given below are two statements : Statement I : Down's syndrome is caused by the absence of one of the X-chromosomes. Statement II...
- Which of the following disease is not sexually transmitted?
- Sperm motility is due to _____.
- Natural selection can lead to _____. (a) stabilisation (b) genetic drift (c) directional change (d) disruption Choose the correct...
- The method of directly of injecting a sperm into ovum in assisted reproductive technology is called :
- Which of the following struture is not a part of the male reproductive system?
- Arrange the following in descending order of number of species in the Amazonian rain forest. (a) Plants (b) Birds (c) Fishes (d)...
- Given below are two statements: Statement I : Ovulation is caused by LH surge leading to rupture of Graafian follicles. Statement...
- Which of the following are primary consumers in a food chain?
- A population of diploid organisms is at Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is...
- Match List-I with List-II. List-I (A) Excess growth hormone (B) Luteinizing hormone (C) Vasopressin (D) Oxytocin List-II (I)...
- Sponges exchange O_2 with CO_2 by _____.
- How many theca are present in each lobe of a typical bilobed angiosperm anther ?
- Muscle contraction is initiated by a signal sent by the central nervous system by the release of _____ .
- Which of the following statements about lac-operon is **correct**?
- Which of the following in female gametophyte of an angiosperm helps in guiding the pollen tube for fertilizing the eggs?
- Which of the following plant produces non-albuminous seeds?
- If the diploid chromosome number of typical angiosperm is 36, what would be the chromosome number in its endosperm?
- Which of the following statements about the reabsorption process in Henle's loop are **correct**? (a) The descending limb of...