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:

The first restriction endonuclease to be isolated was :

Read the following passage carefully and answer the given questions.
Cancerous cells just continue to divide giving rise to masses of cells called tumors. Benign tumors normally remain confined to their original location and do not spread to other parts of the body and cause little damage. The malignant tumors, on the other hand are a mass of proliferating cells called neoplastic or tumor cells. Transformation of normal cells into cancerous neoplastic cells may be induced by physical, chemical or biological agents. Ionising radiations like X-rays and gamma rays and non-ionizing radiations like UV cause cancer. Cancer-causing viruses are called oncogenic viruses which have viral oncogenes. The substances to which an immune response is produced are called allergens. The antibodies produced to these are of IgE type. Common examples of allergens are mites in dust, pollens, animal dander, etc. The primary lymphoid organs are bone marrow and thymus. The secondary lymphoid organs provide the sites for interaction of lymphocytes with the antigen, which then proliferate to become effector cells.
Cancer cells divide without any control due to:

Match List - I with List - II.

List - I (Use/product)	List - II (Micro-organism)
(A) Immuno suppressive agent	(I) Streptococcus
(B) Clot buster	(II) Aspergillus niger
(C) Biofertiliser	(III) Trichoderma polysporum
(D) Citric acid	(IV) Azotobacter

Choose the correct answer from the options given below:

Read the paragraph and answer the question.
Broadly, genetic disorders may be grouped into two categories - Mendelian disorders and Chromosomal disorders. Mendelian disorders are mainly determined by alteration or mutation in the single gene. These disorders are transmitted to the offspring on the same lines as we have studied in the principle of inheritance. The trait may also be linked to the sex chromosome as in case of haemophilia. It is evident that this X-linked recessive trait shows transmission from carrier female of male progeny.
Match List I with List II

List I	List ll
(A) Autosomal dominant trait	(I) Klinefelter's Syndrome
(B) Autosomal recessive trait	(II) Sickle Cell Anaemia
(C) Sex linked recessive trait	(III) Myotonic Dystrophy
(D) Gain of chromosomes	(IV) Haemophilia

Choose the correct answer from the options given below:

In which ecosystem, a large fraction of energy flows more through DFC than through GFC?

The technique in which the semen collected either from the husband or the donor is artificially introduced into the uterus is known as-

Read the given paragraph and answer the question:
Humans have 23 pairs of chromosomes. 22 pairs are exactly same in both males and females; these are the autosomes. A pair of X-chromosome are present in the female, whereas the presence of an X and Y chromosome are determinant of the male characteristic.
A number of disorders in human beings have been found to be associated with the inheritance of changed or altered genes or chromosomes. Broadly, genetic disorder may be grouped into two categories-Mendelian disorders and Chromosomal disorders
A colour blind man marries a carrier woman. Choose the possible progeny outcome.

The intermediate compound \(\text{[A]}\) is :

Match List-l with List-ll

List-I	List-II
(A) Gatterman's reaction	(I) Alkyl isocyanide
(B) Carbylamine reaction	(II) Azo Compound
(C) Hoffmann bromamide reaction	(III) Aryl Halide
(D) Coupling reaction	(IV) Primary amine

Choose the correct answer from the options given below:

Match List - I with List - II.

List - I	List - II
(A) If A and B are mutually exclusive events, then \(P ( A \cup B )=\)	(I) \(\frac{ P ( A \cap B )}{ P ( B )}, P ( B ) \neq 0\)
(B) If A and B are independent events, then \(P ( A \cap B )=\)	(II) \(\frac{ P ( A \cap B )}{ P ( A )}, P ( A ) \neq 0\)
(C) If A and B are two events of a sample space of an experiment, then \(P ( A / B )=\)	(III) \(P ( A ) \cdot P ( B )\)
(D) If A and B are two events of a sample space of an experiment, then \(P ( B / A )=\)	(IV) \(P ( A )+ P ( B )\)

Choose the correct answer from the options given below :

Read the paragraph given below and answer the question.
Sutton and Boveri argued that the pairing and separation of a pair of chromosomes would lead to the segregation of a pair of factors they carried. Sutton united the knowledge of chromosomal segregation with Mendelian principles and called it the chromosomal theory of inheritance. Following this synthesis of ideas, experimental verification of the chromosomal theory of inheritance by Thomas Hunt Morgan and his colleagues, led to discovering the basis for the variation that sexual reproduction produced. Morgan worked with the tiny fruit files, which were found very suitable for such studies. They could be grown on simple synthetic medium in the laboratory. They complete their life cycle in a short span of time and a single mating could produce a large number of progeny flies. Also, there was a clear differentiation of the sexes - the male and female flies are easily distinguishable. Also, it has many types of hereditary variations that can be seen with low power microscopes.
Cross performed between yellow bodied, white eyed females and brown bodied red eyed males of Drosophila results in:

Which one of the following plants will have many ovules in their gynoecium?