Biology Mock Te...

Which of the following pairs of organisms reproduce by budding?

Which one of the following is an example of viviparous animal?

The Pollen grains are covered with two concentric wall layers. The outer layer is termed as ________?

Process of fusion between male & egg nuclei is

The ratio of ploidy of chromosomes present in nuclei of antipodals, synergids, zygote and endosperm respectively are:

Edible part of mango is known as

Consider the following sets of reproductive terms

(A) Sperm, oviduct, egg, uterus

(B) Ovulation, egg, oviduct, uterus

(C) Sperm, testis, spermduct, penis

(D) Menstruation, egg, oviduct, uterus:

The sets of correct combination are :

Maturation of separmatozoa occurs in:

Which of the following statements about human reproduction system is true?

Where does the fertilization in human females take place?

One of the following, mentioned below, is not a contraceptive measure. Identify the same.

The technique which makes use of amniotic fluid to detect prenatal disorder is called

Which of the following is/are correctly matched?

1. Law of Dominance: Characters are controlled by discrete units called factors. 

2. Law of Segregation: This law is based on the fact that the alleles do not show any blending and that both the characters are recovered as such in the F2 generation though one of these is not seen at the F1 stage. 

Change in the base sequence within a gene is called

In monohybrid cross of Mendel, when a pure tall plant was crossed with a dwarf plant, all the F₁ progeny were tall, because of:

A zygote which has an X - chromosome inherited from the father will develop into 

Which one is a sex-linked disease?

According to Watson & Crick's model, one turn of DNA possess

Gene is

The minimum length of cistron in base pairs, which synthesize a polypeptide chain of 100 amino acids is:

Which of the following statements is/are correct?

1. Genes contain the information that is required to express a particular trait in an organism.

2. DNA’s molecular structure was first identified by James Watson and Francis Crick in 1953. 

Regarding DNA fingerprinting, consider the following statements:

1. It is a technique to find out variations in individuals of a population at the DNA level.
2. It works on the principle of polymorphism in DNA sequences.
3. DNA fingerprinting can be used for paternity testing.

Which of the statements given above is/are correct?

Evolution occurs as a result of mutations in

Which one of the following statements given below regarding homologous organs is/are correct?

1. Organs with anatomical similarities perform different functions.

2. These organs are modified to perform different functions as an adaptation to different environments.

3. These structures are a result of convergent evolution.

Select the correct answer using the codes given below.

Some dinosaurs had feathers although they could not fly, but birds have feathers that help them to fly. In the context of evolution this means that

Which of the following era is called age of mammal ?

Name the parasitic worm that causes a slowly developing chronic inflammation of the organs in which they live for many years, usually the lymphatic vessels of the lower limbs.

A non-infection unnatural and unusual reaction of a person to any substance or condition for which he is hypersensitive is termed as

Widal test is used for susceptibility of

Which of the following features gives resistance against bollworms in cotton plants?

Which of the following is not achieved under biofortification of crops?

Which of the following statements is not correct regarding microbes?

In which of the following processes, Bacteria is NOT used?

Secondary sewage treatment is mainly a

PCR and Restriction Fragment Length Polymorphism are the methods for

Which of the following pairs is correctly matched ?

The genetically modified (GM) brinjal in India has been developed for:

Which bacterium is used in the production of insulin by genetic engineering?

'RNA interference (RNAi)' technology has gained popularity in the last few years. Why?

1. It is used in developing gene silencing therapies

2. It can be used in developing therapies for the treatment of cancer.

3. It can be used to develop hormone replacement therapies.

4. It can be used to produce crop plants that are resistant to viral pathogens.

Select the correct answer using the code given below.

The ecological niche of the population is an

Natality refers to

Desert biome does not support much vegetation as it lacks

How much of the net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores?

Which of the following would appear as the pioneer organisms on bare rocks

What is the main cause for the extinction of some species in tropical forest?

Biodiversity of a geographical region represents

What is the most effective way to conserve plant diversity of an area?

Which one of the following is not correct regarding the harmful effect of particulate matter of the size 2.5 micro meters or less

Identify the incorrect statement among the following statements on the effects of deforestation