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Which of the following is the most primitive ancestor of man?CorrectIncorrect
Vitamin-B12 is absorbed primarily in theCorrectIncorrect
The faster breathing in high fever is due to theCorrectIncorrect
Which of the following animals possess non-elastic lungs with elastic air sacs connected to them?CorrectIncorrect
Which of the following is not correctly matched?CorrectIncorrect
Carotid labyrinth containsCorrectIncorrect
Occupational lung disease that occurs in humans, among those given below isCorrectIncorrect
Epiphyseal plates at the extremities of long bones help inCorrectIncorrect
The strongest muscle in the human isCorrectIncorrect
Parkinsonism is related withCorrectIncorrect
Meniere’s disease is associated withCorrectIncorrect
If the threshold for hearing increasing 1000 times, the hearing loss isCorrectIncorrect
Gonads are derived fromCorrectIncorrect
The number of chromosomes in a primary spermatocyte isCorrectIncorrect
The portion of the endometrium that covers the embryo and is located between the embryo and the uterine cavity is theCorrectIncorrect
Depo-provera refers toCorrectIncorrect
What base is responsible for hot spots for spontaneous pint mutations?CorrectIncorrect
During which geological period of evolution did the greatest diversification of life occurred on the earth?CorrectIncorrect
Specific radioactive identification of ribosomal RNA can be achieved by using C14 labelledCorrectIncorrect
Which of the following is the Pribnow box?CorrectIncorrect
The genome of Caenorhabditis elegans consists ofCorrectIncorrect
About how long ago was the earth formed?CorrectIncorrect
Gas gangrene is caused byCorrectIncorrect
Who received Nobel Prize in 1951 for the development of vaccine for yellow fever?CorrectIncorrect
Continuous exposer to vinyl chloride may cause cancer of theCorrectIncorrect
Which of the following T-cells and destroyed by HIV?CorrectIncorrect
An autoimmune disease isCorrectIncorrect
Which hormone produces calorigenic effect?CorrectIncorrect
Which of the following act as an antigen, but do not induce antibody production?CorrectIncorrect
Haldane effect refers toCorrectIncorrect
The plant whose seeds are known to leave the longest viability period isCorrectIncorrect
Jut is aCorrectIncorrect
Chlorosis is produced in the leaves due to the deficiency of Fe, Mg, Mn, S or N of these essential elements, those that are exclusive constituents of chlorophyll molecule areCorrectIncorrect
Read the following statements and choose the correct option.
I. Leptosporangiate development of sporangium is found in all members Pteropsida.
II. Seed habit is shown by sellaginella.
III. Gnetum leaves are monomorphic and pinnately compound.
IV. Sporic meiosis is found in Volvolx, Chalmydomonas and Ulothrix.
Choose the correct option.CorrectIncorrect
Which of the following characteristics out of I, II and III are exhibited by C4 plants?
I. Kranz anatomy.
II. The product of photosynthesis is oxalo acetic acid.
III. Both PEP carboxylase and ribulose-bis phosphate carboxylase act as carboxylating enzyme.
Choose the correct option.CorrectIncorrect
Match the following column I and II for organismic respiration.CorrectIncorrect
Compare the statements I and II and choose correct option.
Statement (I) Auxin promote apical dominance by suppressing the activity of lateral buds.
Statement (II) In moriculture, periodic pruning of shoot tips is done to make mulberry plants bushy.
Choose the correct optionsCorrectIncorrect
The one advantage of cleistogamy isCorrectIncorrect
In coconut, the liquid endosperm is formed becauseCorrectIncorrect
Keeping is view the structure of cell membrane, which one of the following statements is correct with respect to the movements of liquid and proteins from one liquid monolayer to the other (flip flop movement).CorrectIncorrect
Ribosomes are particles about 200 Å units in diameter consisting of protein and RNA. The percentage of protein and RNA is respectivelyCorrectIncorrect
Match the biological molecule listed under column I with their biological function listed under column II. Choose the answer which gives correct combination of alphabet of the two columns.CorrectIncorrect
In peal plants, yellow seeds are dominant to green. If a heterozygous yellow seeded plant is crossed with a green seeded plant, what ratio of yellow and green seeded plants could you expect in F1-generation.CorrectIncorrect
In a mutational event, when adenine is replaced by guanine, it is a case ofCorrectIncorrect
Independent assortment of gene occurs due to the orientation of chromosomes atCorrectIncorrect
The non-disjunction, in meiosis may result is extra copy of a chromosome in a sperm cell. During which phase the above phenomenon may occur?CorrectIncorrect
Which of the following is true regarding the phase lambda, a virus which infects bacteria?CorrectIncorrect
The part of the bacterial chromosomes sharing homology with genome fragment transferred from the recipients to cell during emrozygote formation is known asCorrectIncorrect
In 1944, Avery, McCarty and MacLeod isolated substance from heat killed virulent form of bacteria and added to non-virulent form of bacteria which changed the non-virulent to virulent from this substance can be destroyed byCorrectIncorrect
Thermococcus, Methanococcus and Methanobacterium are groups ofCorrectIncorrect
Match the following Column I with Column II.CorrectIncorrect
Which of the following sequences represent a possible pathway in the production of a secretory protein?CorrectIncorrect
A connecting link between plant and animal kingdom isCorrectIncorrect
Which of the following statements is false regarding SDS-polyacrylamide gel electrophoresis?CorrectIncorrect
If the free energy change of a reaction is greater than zero, then the reaction isCorrectIncorrect
Organisms who are able to freely interbreed producing fertile off-springs and having similar blue print for making these organisms are referred to asCorrectIncorrect
The enzyme hexokinase which catalysis glucose to a glucose-6-phosphate in glycolysis is inhibited by glucose-6-phophate. This is an example of
I. Competitive inhibition
II. non-competitive inhibition
III. feedback allosteric inhibition
Which of the above statements is/are correct?CorrectIncorrect
The protein products of tumour suppressor gene mayCorrectIncorrect
The mitotic cell cycle is divided typically into four phases; G1, S, G2 and M. Considering a mitotic cycle time of 18 hrs; the distribution of period of time (in hrs) for each of these phases will beCorrectIncorrect
Match the following column I with column II.CorrectIncorrect