NEET 2024 (Re-Examination)

Which evolutionary phenomenon is depicted by the sketch given in figure?

Given below are two statements:
Statements I: Concentrated urine is formed due to counter current mechanism in nephron.
Statement II: Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium.
In the light o...

Match List I with List II :

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Given below are two statements:
Statement I: Antibiotics are chemicals produced by microbes that kill other microbes.
Statement II: Antibodies are chemicals formed in body that eliminate microbes.
In the light of the above statements, choos...

Math List-I with List-II:

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Match List-I with List-II relating to human female external genitalia.

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Arrange the following parts in human Mammary gland, traversing the route of milk ejection.
A. Mammary duct
B. Lactiferous duct
C. Mammary alveolus
D. Ampulla
E. Mammary tubule
Choose the correct 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: During menstrual cycle, the ovulation takes place approximately on 14th day.
Reason R: Rapid secretion of LH in the middle of...

Match List-I with List-II:

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Select the correct statements regarding mechanism of muscle contraction.
A. It is initiated by a signal sent by CNS via sensory neuron.
B. Neurotransmitter generates action potential in the sarcolemma.
C. Increased Ca\(^{++}\) level leads t...

Match List-I with List-II:

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Match List-I with List-II relating to microbes and their products:

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In a chromosome, there is a specific DNA sequence, responsible for initiating replication. It is called as:

Given below are two statements regarding RNA polymerase in prokaryotes.
Statement I : In prokaryotes, RNA polymerase is capable of catalysing the process of elongation during
transcription.
Statement II : RNA polymerase associate transient...

Given below are two statements :
Statement I: In the lac operon, the z gene codes for beta-galactosidase which is primarily responsible for
the hydrolysis of lactose into galactose and glucose.
Statement II: In addition to lactose, glucose...

Given below are two statements:
Statement I: In eukaryotes there are three RNA polymerases in the nucleus in addition to the RNA
polymerase found in the organelles.
Statement II: All the three RNA polymerases in eukaryotic nucleus have diff...

Given below are two statements :
Statement I : RNA interference takes place in all Eukaryotic organisms as method of cellular defense.
Statement II : RNAi involves the silencing of a specific mRNA due to a complementary single-stranded RNA ...

Match List-I with List-II :

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Match List-I with List-II :

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Which of the following examples show monocarpellary, unilocular ovary with many ovules?
A. Sesbania
B. Brinjal
C. Indigofera
D. Tobacco
E. Asparagus
Choose the correct answer from the options given below :

Match List-I with List -II

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Match List-I with List-II:

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When will the population density increase, under special conditions?
When the number of :

Match List-I with List-II.

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What do 'a' and 'b' represent in the following population growth curve?

Which of the following are required for the light reaction of Photosynthesis?
A. \(\mathrm{CO}_2\)
B. \(\mathrm{O}_2\)
C. \(\mathrm{H}_2 \mathrm{O}\)
D. Chlorophyll
E. Light
Choose the correct answer from the options given below:

Which one of the following products diffuses out of the chloroplast during photosynthesis?

Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option.

Match List-I with List-II :

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Given below are some statements about plant growth regulators.
A. All GAs are acidic in nature.
B. Auxins are antagonists to GAs.
C. Zeatin was isolated from coconut milk.
D. Ethylene induces flowering in Mango.
E. Abscisic acid induces par...

F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was
supplied with one of the following except :

Identify the incorrect pair :

Which one of the following is not found in Gymnosperms?

Which of the following is the correct match?

Match List-I with List-II:

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Given below are two statements:
Statement I: When many alleles of a single gene govern a character, it is called polygenic inheritance.
Statement II: In Polygenic inheritance, the effect of each allele is additive.
In the light of the above...

The mother has \(\mathrm{A}+\) blood group the father has \(\mathrm{B}+\) and the child is \(\mathrm{A}+\). What can be the possibility of genotypes of all three, respectively?
A. \(I^A I^A|I B i| I^B i\)
B. $$I^A I^A\left|I^B i\right| I^A ...

Aneuploidy is a chromosomal disorder where chromosome number is not the exact copy of its haploid set of chromosomes, due to :
A. Substitution
B. Addition
C. Deletion
D. Translocation
E. Inversion
Choose the most appropriate answer from the...

When a tall pea plant with round seeds was selfed, it produced the progeny of :
(a) Tall plants with round seeds and
(b) Tall plants with wrinkled seeds.
Identify the genotype of the parent plant.

Following is the list of STDs. Select the diseases which are not completely curable.
A. Genital warts
B. Genital herpes
C. Syphilis
D. Hepatitis-B
E. Trichomoniasis
Choose the correct answer from the options given below:

Match List-I with List-II relating to examples of various kind of IUDs and barrier:

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Which of the following are correct about cellular respiration?
A. Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation.
B. The entire cellular respiration takes place in Mitochondria.
C. Fermentation t...

Match List-I with List-II:

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Which part of the ovule stores reserve food materials?

Pollen grains remain preserved as fossils due to the presence of :

The part marked as ‘x’ in the given figure is

Which of the following is/are present in female cockroach?
A. Collateral gland
B. Mushroom gland
C. Spermatheca
D. Anal style
E. Phallic gland
Choose the most appropriate answer from the options given below:

Which of the following statements is correct about the type of junction and their role in our body?

Match List I with List II :

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In which of the following connective tissues, the cells secrete fibres of collagen or elastin?
A. Cartilage
B. Bone
C. Adipose tissue
D. Blood
E. Areolar tissue
Choose the most appropriate answer from the options given below :