RE-NEET Zoology Questions
93 questions
The number of vertebrae in a human is ________.
Which one of the following statements is incorrect?
Given below are two statements:
Statement I: The class name Reptilia refers to creeping or crawling mode of locomotion.
Statement II: All organisms belonging to Reptilia have three chambered heart.
In the light of the above statements, choose the most appropriate answer from the options given below:
Which of the following statements related to pituitary gland are correct? (a) It is divided anatomically into adenohypophysis and neurohypophysis (b) It secretes follicle stimulating hormone (c) It secretes melanocyte stimulating hormone (d) It does not secrete prolactin Choose the correct answer from the options given below:
Match List-I with List-II.
In water, frogs respire using ________.
Arrange the following elements in descending order of their contribution to percentage weight of the human body. (a) Oxygen (b) Carbon (c) Hydrogen (d) Nitrogen Choose the correct answer from the options given below:
Which of the following is not a characteristic of chordates?
Which of the following represents the correct sequence of arrangement of bones in the lower limb of humans?
The number of action potentials generated by sino-arterial node (SAN) in a healthy human is _______ per minute.
Which of the following statements is incorrect ?
Which of the following is not a part of human central neural system ?
In frogs, the number of pairs of cranial nerves arising from the brain are ________.
Given below are two statements :
Statement I: When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.
Statement II: In phylum Echinodermata, both adults and larvae are radially symmetrical.
In the light of the above statements, choose the most appropriate answer from the options given below :
The opening between the right atrium and the right ventricle is guarded by ________.
The inactive form of Bt toxin is converted to the active form in the insect gut
Match List-I with List-II.
Which of the following hormone is not secreted by human placenta?
Sperm motility is due to
During PCR, primers bind to the DNA strands in the ______ step.
Which of the following is used as a clot buster?
Given below are two statements :
Statement I: Plasmids are autonomously replicating DNA.
Statement II: Plasmids are extrachromosomal DNA.
In the light of the above statements, choose the most appropriate answer from the options given below :
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : Forelimbs of human and bats are homologous. Reason R : Forelimbs of humans and bats have similar anatomical structure. In the light of the above statements, choose the most appropriate answer from the options given below :
Which of the following statements about the reabsorption process in Henle’s loop are correct ? (a) The descending limb of Henle’s loop is permeable to water but almost impermeable to electrolytes. (b) Urine gets concentrated in Henle’s loop. (c) Reabsorption of Na⁺ and water takes place in Henle’s loop. (d) Active or passive transport of electrolytes occurs in the ascending limb of Henle’s loop.
Which of the following are secondary lymphoid organs ? (a) Bone marrow (b) Tonsils (c) Spleen (d) Thymus
Which of the following is the correct order of arrangement of vertebrate column from the head to toe ?
Sponges exchange O₂ with CO₂ by
Which of the following disease is not sexually transmitted?
Match List-I with List-II.
The covering of ovum at ovulation is
Which of the following structure is not a part of the male reproductive system?
Which of the following statements is correct about Plasmodium?
A population of diploid organisms is in Hardy-Weinberg equilibrium. If the frequency of allele A is 0.1, the frequency of AA is
Adaptive radiation in placental mammals and Australian Marsupials, leading to similarity between distant species is an example of
Colostrum, secreted by mother during initial days of lactation, is abundant in
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: In recombinant DNA technology, lysozyme is used for disrupting bacterial cells while cellulase is for plant cells. Reason R: Isolation of genetic material needs disruption of cells. In the light of the above statements, choose the most appropriate answer from the options given below:
Given below are two statements:
Statement I: Ovulation is caused by LH surge leading to rupture of Graafian follicles.
Statement II: Graafian follicle remaining after ovulation transform into corpus luteum and secretes large amount of estrogen.
In the light of the above statements, choose the most appropriate answer from the options given below:
Natural selection can lead to (a) stabilisation (b) genetic drift (c) directional change (d) disruption
The method of directly injecting a sperm into ovum in assisted reproductive technology is called:
Which of the following is used as an effective sedative and painkiller for treating post-surgery patients?
Which of the following is not evidence for evolution?
Given below are two statements:
Statement I: Modern Homo sapiens arose in Australia and moved across continents.
Statement II: Homo sapiens arose around 75000 to 10000 years ago.
In the light of the above statements, choose the most appropriate answer from the options given below:
Muscle contraction is initiated by a signal sent by the central nervous system by the release of ______.
Given below are two statements:
Statement I: The Indian Government has set up GEAC, which will make decisions regarding the validity of GM research.
Statement II: Biopiracy is the term used to refer to the use of bio-resources by native people.
In the light of the above statements, choose the correct answer from the options given below:
Which of the following is a nucleotide?
Match List-I with List-II:
Cryopreservation technique is used for:
Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?
Identify the incorrect statement related to gel electrophoresis.
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