NEET 2021

Match List-I with List-II.
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Match List-I with List-II.
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Select the correct pair.

Match the following :
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Read the following statements(1) Metagenesis is observed in Helminths.(2) Echinoderms are triploblastic and coelomate animals.(3) Round worms have organ-system level of body organization.(4) Comb plates present in ctenophores help in digest...

Match List-I with List-II.
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Which one of the following organisms bears hollow and pneumatic long bones?

Which of the following statements is correct?

Which of the following are not secondary metabolites in plants?

Match List-I with List-II.
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Following are the statements with reference to 'lipids'.(1) Lipids having only single bonds are called unsaturated fatty acids(2) Lecithin is a phospholipid.(3) Trihydroxy propane is glycerol(4) Palmitic acid has 20 carbon atoms including c...

When gene targetting involving gene amplification is attempted in an individual's tissue to treat disease, it is known as :

With regard to insulin choose correct options.(1) C-peptide is not present in mature insulin.(2) The insulin produced by rDNA technology has C-peptide.(3) The pro-insulin has C-peptide(4) A-peptide and B-peptide of insulin are interconnecte...

During the purification process for recombinant DNA technology, addition of chilled ethanol precipitates out :

Match List-I with List-II .
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Which of the following is not an application of PCR (Polymerase Chain Reaction)?

Which of the following is a correct sequence of steps in a PCR (Polymerase Chain Reaction)?

Plasmid pBR322 has Pst I restriction enzyme site within gene ampR that confers ampicillin resistance. If this enzyme is used for inserting a gene for \(\beta\)-galactoside production and the recombinant plasmid is inserted in an E.coli stra...

During the process of gene amplification using PCR, if very high temperature is not maintained in the beginning, then which of the following steps of PCR will be affected first?

A specific recognition sequence identified by endonucleases to make cuts at specific positions within the DNA is :

Persons with 'AB' blood group are called as "Universal recipients". This is due to :

Which enzyme is responsible for the conversion of inactive fibrinogens to fibrins?

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.

The partial pressures (in mm Hg) of oxygen (O2) and carbon dioxide (CO2) at alveoli (the site of diffusion) are :

Assertion (A) : A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations.Reason (R) : Due to low atmospheric pressure at high altitude, the body does not get sufficien...

Which of the following stages of meiosis involves division of centromere?

Match List-I with List-II.
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The fruit fly has 8 chromosomes (2n) in each cell. During interphase of Mitosis if the number of chromosomes at G1 phase is 8, what would be the number of chromosomes after S phase?

Which stage of meiotic prophase shows terminalisation of chiasmata as its distinctive feature?

The centriole undergoes duplication during :

Which of the following is an incorrect statement?

Match List-I with List-II.
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When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as :

The organelles that are included in the endomembrane system are

Erythropoietin hormone which stimulates R.B.C formation is produced by :

Succus entericus is referred to as :

Sphincter of oddi is present at :

The amount of nutrients, such as carbon, nitrogen, phosphorus and calcium present in the soil at any given time, is referred as :

Which of the following statements is not correct?

In the equation GPP - R = NPPR represents :

Dobson units are used to measure thickness of :

The factor that leads to Founder effect in a population is :

Match List-I with List-II.
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Identify the incorrect pair

For effective treatment of the disease, early diagnosis and understanding its pathophysiology is very important. Which of the following molecular diagnostic techniques is very useful for early detection?

Match List-I with List-II
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The Adenosine deaminase deficiency results into

Receptors for sperm binding in mammals are present on :

Which of these is not an important component of initiation of parturition in humans?

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?