List of top Biology Questions asked in NEET (UG)

Sweet potato and potato represent a certain type of evolution. Select the correct combination of terms to explain the evolution.

Which one of the following enzymes contains 'Heme' as the prosthetic group?

Given below are two statements:
Statement I: The DNA fragments extracted from gel electrophoresis can be used in the construction of recombinant DNA.
Statement II: Smaller size DNA fragments are observed near the anode while larger fragments are found near the wells in an agarose gel.

Identify the part of a bio-reactor which is used as a foam breaker from the given figure.

Match List I with List II:

Choose the correct answer from the options given below:

Cardiac activities of the heart are regulated by: A. Nodal tissue
B. A special neural centre in the medulla oblongata
C. Adrenal medullary hormones
D. Adrenal cortical hormones
Choose the correct answer from the options given below:

Read the following statements on plant growth and development:
A. Parthenocarpy can be induced by auxins. B. Plant growth regulators can be involved in promotion as well as inhibition of growth. C. Dedifferentiation is a pre-requisite for re-differentiation. D. Abscisic acid is a plant growth promoter. E. Apical dominance promotes the growth of lateral buds.

Which of the following microbes is NOT involved in the preparation of household products?
A. \(\textit{Aspergillus niger}\)
B. \(\textit{Lactobacillus}\)
C. \(\textit{Trichoderma polysporum}\)
D. \(\textit{Saccharomyces cerevisiae}\)
E. \(\textit{Propionibacterium sharmanii}\)

Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs.

Which of the following is an example of a zygomorphic flower?

Which of the following is the unit of productivity of an Ecosystem?

Find the statement that is NOT correct with regard to the structure of monocot stem.

Which chromosome in the human genome has the highest number of genes?

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): The primary function of the Golgi apparatus is to package the materials made by the endoplasmic reticulum and deliver it to intracellular targets and outside the cell.
Reason (R): Vesicles containing materials made by the endoplasmic reticulum fuse with the cis face of the Golgi apparatus, and they are modified and released from the trans face of the Golgi apparatus.

Match List - I with List II

List I	List II
A. Scutellum	II. Cotyledon of Monocot seed
B. Non-albuminous seed	IV. Rudimentary cotyledon
C. Epiblast	III. Groundnut
D. Perisperm	I. Persistent nucellus

After maturation, in primary lymphoid organs, the lymphocytes migrate for interaction with antigens to secondary lymphoid organ(s)/tissue(s) like:
A. thymus
B. bone marrow
C. spleen
D. lymph nodes
E. Peyer's patches

How many meiotic and mitotic divisions need to occur for the development of a mature female gametophyte from the megaspore mother cell in an angiosperm plant?

Each of the following characteristics represents a Kingdom proposed by Whittaker. Arrange the following in increasing order of complexity of body organization.
A. Multicellular heterotrophs with cell wall made of chitin.
B. Heterotrophs with tissue/organ/organ system level of body organization.
C. Prokaryotes with cell wall made of polysaccharides and amino acids.
D. Eukaryotic autotrophs with tissue/organ level of body organization.
E. Eukaryotes with cellular body organization.
Choose the correct answer from the options given below:

Match List I with List II:

Choose the correct answer from the options given below:

Neoplastic characteristics of cells refer to:
A. A mass of proliferating cells
B. Rapid growth of cells
C. Invasion and damage to the surrounding tissue
D. Those confined to the original location
Choose the correct answer from the options given below:

Match List - I with List II

List I	List II
A. The Evil Quartet	III. Causes of biodiversity losses
B. Ex situ conservation	I. Cryopreservation
C. Lantana camara	II. Alien species invasion
D. Dodo	IV. Extinction

With the help of the given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in the F3 generation.

In the seeds of cereals, the outer covering of endosperm separates the embryo by a protein-rich layer called:

What are the potential drawbacks in adoption of the IVF method? A. High fatality risk to mother
B. Expensive instruments and reagents
C. Husband/wife necessary for being donors
D. Less adoption of orphans
E. Not available in India
F. Possibility that the early embryo does not survive
Choose the correct answer from the options given below:

The correct sequence of events in the life cycle of bryophytes is:
A. Fusion of antherozoid with egg.
B. Attachment of gametophyte to substratum.
C. Reduction division to produce haploid spores.
D. Formation of sporophyte.
E. Release of antherozoids into water.
Choose the correct answer from the options given below.