List of top Biology Questions

While trying to find out the characteristic of a newly found animal, a researcher did the histology of adult animal and observed a cavity with presence of mesodermal tissue towards the body wall but no mesodermal tissue was observed towards the alimentary canal. What could be the possible coelom of that animal?
Why can't insulin be given orally to diabetic patients?
Histones are enriched with:
Which one of the following is the characteristic feature of gymnosperms?
Which one of the following is an example of ex-situ conservation?
Which of the following is an example of non-distilled alcoholic beverage produced by yeast?
A specialised membranous structure in a prokaryotic cell which helps in cell wall formation, DNA replication, and respiration is:
All living members of the class Cyclostomata are:
Which of the following hormones released from the pituitary is actually synthesized in the hypothalamus?
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:

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

Match List I with List II:

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.
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.
Which one of the following enzymes contains 'Heme' as the prosthetic group?
Which of the following is an example of a zygomorphic flower?
Find the statement that is NOT correct with regard to the structure of monocot stem.
Frogs respire in water by skin and buccal cavity and on land by skin, buccal cavity and lungs.
Which chromosome in the human genome has the highest number of genes?

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. \(\textit{Propionibacterium sharmanii}\)

Which of the following is the unit of productivity of an Ecosystem?
Match List - I with List II
List IList II
A. ScutellumII. Cotyledon of Monocot seed
B. Non-albuminous seedIV. Rudimentary cotyledon
C. EpiblastIII. Groundnut
D. PerispermI. Persistent nucellus
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 IList II
A. The Evil QuartetIII. Causes of biodiversity losses
B. Ex situ conservationI. Cryopreservation
C. Lantana camaraII. Alien species invasion
D. DodoIV. Extinction
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