Biology Mock Te...

Formation of gametes in the gonads is known as

Lizards, frog, hen all are-

Gynoecium represents

Pollens are produced in

Match the following:

Which of the following has NO residual endosperm?

Structure connecting the foetus to placenta is:

The male accessory glands include ________

The function that is not influenced by estrogen is_____.

Which of the following is correct sequence of events during spermatogenesis?

Which of the following is a natural method of contraception

Which of the following is NOT a birth control method?

In a Mendelian cross tall pea plants bearing violet flowers and short pea plants bearing white flowers were used. The progeny all bore violet flowers, but almost half of them were short, then what could be the genetic makeup of the tall parent

The flower colour in the dog flower (snapdragon or Antirrhinum sp.) is an example of 

A person with sickle cell anemia is

Sex in honeybee is determined by

Monosomy and Trisomy can be as 

A Nucleosome consists of

The Polymerase molecule rapidly slides along the long stretch of DNA, During this sliding it comes across a promotor sequence. Choose the appropriate answer from the following situation to explain the above statement

Which of the following is wrongly matched in the given table:-

Assertion A): "DNA Finger Printing" has become an important test to establish the paternity and identity of criminals of rape cases.

Reason R): Small samples such as hair, dried blood, and semen are adequate for DNA analysis.

Select the correct answer using the codes given below:

10% of the bases in a DNA molecule are guanine. What could be the % of Thymine in that sample? 

Most convincing in Darwin's theory is ____________.

Fore limbs of whale, bat, tiger and man are examples of

Experiment to prove that synthesis of organic compound formed the basis of life was performed by:

Hardy-Weinberg equilibrium is affected by

Plasmodium requires two hosts to complete its Life cycle. In which host does the gamete production take place?

Carrier of Dengue disease is :

Which of the following glands is large sized at birth but reduces in size with ageing

The semi-dwarf rice varieties introduced in India during the green revolution were derived from

Animal husbandry and plant breeding programmes are the examples of:

The drugs that are known for their effect on the cardiovascular system in the body are:

Which bacterium is used to turn the milk to curd?

A. Streptomyces

B. Vibrio

C. Lactobacillus

D. Spirilla

Which of the following is pumped into the anaerobic sludge digesters for further sewage treatment?

Restriction enzymes that produce cohesive ends can be used for 

Which of the following feature(s) facilitate cloning into a vector?

1. Origin of replication

2. Selectable marker

3. Cloning sites

Steps of Recombinant DNA technology are given below:

A. Identification and isolation of the genetic material.

B. Fragmentation of DNA.

C. Obtaining the foreign gene product

D. Downstream processing.

E. Ligation of DNA fragmentation into the vector.

F. Isolation of desired DNA fragments.

G. Amplification of gene of interest.

H. Transfer of Recombinant DNA into the host cell/organism.

The correct sequence of steps is

The protein α - 1 antitrypsin is used to treat the disease

Genetically Modified plants have been useful in many ways. Genetic modification has:

1. made crops more tolerant to abiotic stresses

2. reduced reliance on chemical pesticides

3. increased efficiency of mineral usage by plants

4. enhanced nutritional value of food

Select the correct answer using the code given below.

The first transgenic plant used for commercial production was

Rhizobium forms which type of association with leguminous plants?

Some organisms can tolerate and thrive in a wide range of temperature, they are called

"The system resulting from the integration of the all living and non-living factors of the environment" is called as

Which of the following has upright pyramid ?

Lichens are ecologically important, because:

Which one of the following is NOT included under in-situ conservation?

Maximum species abundance occurs at which latitude?

Which international treaty was signed to control the emission of ozone depleting substances.

Match the items in column I and column II and choose the correct option:

Of the following which gas produces green house effect ?