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In which process unusual nucleotide (methyl guanosine triphosphate) is added to the 5' end of hnRNA.

(p+q)² = p² + 2pq + q² = 1 represents Hardy Weinberg equation. It is used in:

Select the correct statement/s from the following:
A. Spermatogonia always undergo meiotic cell division.
B. Primary spermatocytes divide by mitotic cell division.
C. Secondary spermatocytes have 23 chromosomes and undergo second meiotic division
D. Spermatozoa are transformed into spermatids.
Choose the correct answer from the options given below:

Biofertilisers are the organisms that enrich the nutrient quality of the soil. Which of the following is not a source of biofertiliser?

Methanogens do not produce :

In some organisms, male has ZZ chromosomes and female has ZW chromosomes. This type of sex-determination is found in:

Which of the following is NOT a category of waste generated by human beings in daily practice?

Early Greek thinkers thought that units of life called spores were transferred to different planets including earth. Identify the term associated with the above.

Read the passage and answer the question given below.
Exposure of a host to antigens, whether from living or deceased microbes or other proteins, triggers the production of antibodies within the host's body, resulting in what is known as active immunity. Active immunity operates gradually, requiring time to reach its full effectiveness. Introducing microbes deliberately through immunization or through natural infection allows for the induction of active immunity. Conversely, when antibodies are administered directly to shield the body against foreign agents, it constitutes passive immunity. Colostrum, produced by the mother during the initial stages of lactation, offers passive immunity due to its richness in antibodies.

Bt toxin produced by Bacillus thuringiensis is resistant to:

Identify the terminal method used to prevent pregnancy is:

Which is known as ‘Terror of Bengal’?

Select the statements which do not hold true for Cancer:
A. Cancerous cells show a property of contact inhibition.
B. Metastasis is the most feared property of malignant tumors.
C. Malignant tumor cells invade and damage the surrounding tissue.
D. Malignant tumor cells grows slowly.
Choose the correct answer from the options given below :

Succession occurring after flood is:

Which of the following area is India’s one of the biodiversity hot spots?

In DNA N-glycosidic linkage is present between ----.

Inbreeding is carried out in animal husbandry because it:

Select the organism which does not undergoes parthenogenesis.

Select the hormone which is not secreted by human placenta?

Mammals are able to survive in Antarctica or in the Sahara Desert as they are

Parthenogenesis does not occur in:

The natural interconnections of food chain is :

The method of producing thousands of plants through tissue culture is called as:

Single step large mutation leading to speciation is also called:

Exposure to antigens, whether from living or deceased microbes or other proteins, prompts the host body to produce antibodies, resulting in active immunity. Active immunity operates gradually, requiring time to achieve its full effectiveness. The deliberate injection of microbes during immunization or the infiltration of infectious organisms into the body during natural infection induces active immunity. Conversely, when antibodies are administered directly to shield the body against foreign agents, it is referred to as passive immunity.
Which of the following is passive immunisation?

Agarose, a gel used as matrix in gel electrophoresis is a natural polymer which is extracted from:

Which of the following is used to make the bacterial cell as ‘Competent cell’ to take up DNA?

Fresh water animals cannot live for long in sea water and vice versa as they face:

The entity established by the Indian Government to determine the validity of GM research and ensure the safety of introducing GM-organisms is:

Which of the following is not a Mendelian Disorder?

Antibiotic resistance gene in a vector helps in the selection of :

Which of the following statements are correct regarding decomposition?
A. Decomposition is largely oxygen-requiring process
B. The rate of decomposition is controlled by chemical composition of detritus and climatic factors
C. Dry and cold environment favour the decomposition
D. If detritus is rich in lignin and chitin, the decomposition rate is faster
Choose the correct answer from the options given below:

Which forest also known as the 'lungs of the planet earth'?

Identify the organism which is a source of single cell protein and is grown on commercial scale.

Which of the following metal cannot be recovered from manual recycling process of e-wastes?

Threatened animals and plants are taken out from their natural habitat and placed in special settings, protected and given special care is

Out of the following which one is not a hermaphrodite?