NEET 2022 Phase 1

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Osteoporosis is characterised by decreased bone mass and increased chance of fractures.
Reason (R) : Common cause of ...

Which of the following is a correct match for disease and its symptoms?

Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A :

Match List-I with List-II

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Which one of the following produces nitrogen fixing nodules on the roots of Alnus?

The process of translation of mRNA to proteins begins as soon as:

DNA polymorphism forms the basis of:

Read the following statements and choose the set of correct statements:
(a) Euchromatin is loosely packed chromatin
(b) Heterochromatin is transcriptionally active
(c) Histone octamer is wrapped by negatively charged DNA in nucleosome
(d) H...

Transposons can be used during which one of the following?

If a geneticist uses the blind approach for sequencing the whole genome of an organism, followed by assignment of function to different segments, the methodology adopted by him is called as :

If the length of a DNA molecule is 1.1 metres, what will b the approximate number of base pairs?

In an E. Coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?

Ten E.coli cells with 15N - dsDNA are incubated in medium containing 14N nucleotide. After 60 minutes, how many E.coli cells will have DNA totally free from 15N?

Identify the correct set of statements:
(a) The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea
(b) Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin
(c) Stem is flattened and fleshy ...

Which one of the following plants shows vexillary aestivation and diadelphous stamens?

The flowers are Zygomorphic in :
(a) Mustard (b) Gulmohar (c) Cassia (d) Datura (e) Chilly
Choose the correct answer from the options given below :

Which part of the fruit, labelled in the given figure makes it a false fruit?

Select the incorrect statement regarding synapses :

Which one of the following statements cannot be connected to Predation?

While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (\(-\)) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assi...

If '8' Drosophila in a laboratory population of '80' died during a week, the death rate in the population is ___________ individuals per Drosophila per week.

Given below are two statements:
Statement I : The primary CO2 acceptor in C4 plants is phosphoenolpyruvate and is found in the mesophyll cells.
Statement II : Mesophyll cells of C4 plants lack RuBisCo enzyme.
In the light of the above stat...

Which one of the following is not true regarding the release of energy during ATP synthesis through chemiosmosis? It involves:

Which one of the following plants does not show plasticity?

The gaseous plant growth regulator is used in plants to:

Production of Cucumber has increased manifold in recent years. Application of which of the following phytohormones has resulted in this increased yield as the hormone is known to produce female flowers in the plants:

Hydrocolloid carrageen is obtained form :

Which of the following is incorrectly matched?

Match the plant with the kind of life cycle it exhibits:

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XO type of sex determination can be found in :

Given below are two statements:
Statement I : Mendel studied seven pairs of contrasting traits in pea plants and proposed the Laws of Inheritance.
Statement II : Seven characters examined by Mendel in his experiment on pea plants were seed ...

Which of the following occurs due to the presence of autosome linked dominant trait?

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Mendel's law of independent assortment does not hold good for the genes that are located closely on the same chromoso...

If a colour blind female marries a man whose mother was also colour blind, what are the chances of her progeny having colour blindness?

The recombination frequency between the genes a & c 5&, b & c is 15%, b & d is 9%, a & b is 20%, c & d is 25% and a & d is 29%. What will be the sequence of these genes on a linear chromosome?

Identify the asexual reproductive structure associated with Penicillium :

Lippe's loop is a type of contraceptive used as:

Match List-I with List-II with respect to methods of Contraception and their respective actions.

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What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?

What amount of energy is released from glucose during lactic acid fermentation?

Given below are two statements:
Statement I : Cleistogamous flowers are invariably autogamous
Statement II : Cleistogamy is disadvantageous as there is no chance for cross pollination
In the light of the above statements, choose the correct...

Identify the incorrect statement related to Pollination:

Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called:

In which of the following animals, digestive tract has additional chambers like crop and gizzard?

Which of the following is not a connective tissue?

Tegmina in cockroach, arises from

Match List - I with List - II

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In the taxonomic categories which hierarchical arrangement in ascending order is correct in case of animals?

Which of the following is not observed during apoplastic pathway?

Addition of more solutes in a given solution will: