Biology Mock Te...

________ are the spores in heterosporous plants that give rise to male gametophytes.

A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by:

If the diploid number of a flowering plant is 36. What would be the chromosome number in its endosperm?

Following is not a part of human sperm

In the mammals, cleavage results in the formation of solid mass of cells known as

An ideal contraceptive should be

Alleles are located on

One of the following principles was not proposed by Mendel. It was law of

A gene that produces an enzyme shows incomplete dominance. This phenomenon may be caused due to the production of

What is the name of the disorder caused by the presence of an extra chromosome 21?

Polynucleotide chain of DNA contains

Which of these are analogous organs?

Which of the following sequences fits into the organic evolution theory proposed by Charles Darwin and Alfred Wallace?

The process of evolution of different species in a given geographical area starting from a point and literally radiating to other areas of geography (habitats) is called ______.

The term ‘Founder effect’, in population genetics, is used to indicate?

'Amoebiasis' (amoebic dysentery) is caused by

The antibodies are

In which one of the following options the two examples are correctly matched with their particular type of immunity:

Choose the wrong statement

____________ is the process of crossing dissimilar plants of different varieties, species or genera for improving the crop.

Which of the fungus is used in making of bread:

A sewage treatment process, in which part of decomposer bacteria present in the wastes is recycled into the starting of the process is called 

Number of bp in genome of ϕ × 174 virus

A gene whose expression helps in identification of transformed cells is known as

The process of separation and purification of expressed protein before marketing is called

Which of the following is an incorrect match regarding biotechnological processes and their related tools?

'GMO' is -

Genetically engineered human insulin is manufactured by the use of

The protein found in the milk of transgenic cow Rosie is:-

Biosphere is

A logistic growth curve depicting a population that is limited by a definite carrying capacity is shaped like the letter

Cuscuta is an example of:

The following figure is the best example of

What type of human population is represented by the following age pyramid ?

Which step is required for better survival of human beings

A compilation of data on population status of endangered species is

B.O.D. is connected with

Gaseous pollutant can be controlled by

Which one of the following is a most efficient device to eliminate particulate matters from the industrial emission

Hormone X denotes which of the following

Which hormone is defined by hormone A?

The hormones A and B are secreted from

The hormone B acts on the Sertoli cells to help in the process of

Choose the incorrect option from below:

The given sequence represents which of the following strands of a transcriptional unit?

Find the complementary DNA sequence for the given DNA strand.

The given structural gene will form the mRNA transcript as

Prokaryotic transcription is carried out with the help of RNA polymerase and 2 other protein factors. Identify the correct factor and its role.

Polyadenylation refers to which of the following processes?