Recent questions tagged zoology

During transcription, RNA polymerase holoenzyme binds to a gene promoter and assumes a saddle-like structure. What is it's DNA-binding sequence ?

asked Jul 26, 2018 by pady_1

1 answer

A common test to find the genotype of a hybrid is by:-

asked Jul 26, 2018 by pady_1

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Telomere repetitive DNA sequences control the function of eukaryote chromosomes because they:

asked Jul 26, 2018 by pady_1

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Molecular basis of organ differentiation depends on the modulation in transcription by-

asked Jul 26, 2018 by pady_1

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A sequential expression of a set of human genes occurs when a steroid molecule binds to the:-

asked Jul 26, 2018 by pady_1

1 answer

A genetically engineered micro-organism used successfully in bioremediation of oil spills is a species of-

asked Jul 26, 2018 by pady_1

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In a coal fired power plant electrostatic precipitators are installed to control emission of:-

asked Jul 26, 2018 by pady_1

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Which one of the following is being utilized as source of biodiesel in the Indian country side ?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following ecosystem types has the highest annual net primary productivity ?

asked Jul 26, 2018 by pady_1

2 answers

In which one of the following the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE) and sugar mill effluent (SE) have been arranged in ascending order ?

asked Jul 26, 2018 by pady_1

2 answers

Identify the odd combination of the habitat and the particular animal concerned :

asked Jul 26, 2018 by pady_1

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Which one of the following pairs of structures distinguishes a nerve cell from other types of cell ?

asked Jul 26, 2018 by pady_1

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Feeling the tremors of an earthquake a scared resident of seventh floor of a multistoried building starts climbing down the stairs rapidly. <br> Which hormone initiated this action ?

asked Jul 26, 2018 by pady_1

1 answer

A drop of each of the following, is placed separately on four slides. Which of them will not coagulate ?

asked Jul 26, 2018 by pady_1

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In which one of the following preparations are you likely to come across cell junctions most frequently ?

asked Jul 26, 2018 by pady_1

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In human body, which one of the following is anatomically correct ?

asked Jul 26, 2018 by pady_1

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In the human female, menstruation can be deferred by the administration of :

asked Jul 26, 2018 by pady_1

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Compared to a bull a bullok is docile because of:-

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following mammalian cells is not capable of metabolizing glucose to carbon-dioxide aerobically ?

asked Jul 26, 2018 by pady_1

2 answers

Which one of the following is a fat-soluble vitamin and its related deficiency disease ?

asked Jul 26, 2018 by pady_1

1 answer

Which one of the following elements is not an essential micronutrient for plant growth ?

asked Jul 26, 2018 by pady_1

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Which one of the following is surrounded by a callose wall ?

asked Jul 26, 2018 by pady_1

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Which of the following is a flowering plant with nodules containing filamentous nitrogen-fixing microorganism ?

asked Jul 26, 2018 by pady_1

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Which one of the following pairs, is not correctly matched ?

asked Jul 26, 2018 by pady_1

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The wavelength of light absorbed by Pr form of phytochrome is:-

asked Jul 26, 2018 by pady_1

1 answer

All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is:-

asked Jul 26, 2018 by pady_1

2 answers

The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:-

asked Jul 26, 2018 by pady_1

1 answer

Passage cells are thin-walled cells found in:-

asked Jul 26, 2018 by pady_1

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The finches of Galapogas islands provide an evidence in favour of

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If you are asked to classify the various algae into distinct groups, which of the following characters you should choose ?

asked Jul 26, 2018 by pady_1

1 answer

Two plants can be conclusively said to belong to the same species if they :

asked Jul 26, 2018 by pady_1

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In the prothallus of a vascular cryptogam, the antherzoids and eggs mature at different times. As a result :

asked Jul 26, 2018 by pady_1

1 answer

Wich one of the following is a slime mould ?

asked Jul 26, 2018 by pady_1

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If the mean and the median pertaining to a certain character of a population are of the same value, the following is most likely to occur :

asked Jul 26, 2018 by pady_1

1 answer

Select the wrong statement from the following :

asked Jul 26, 2018 by pady_1

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Angiotensinogen is a protein produced and secreted by-

asked Jul 25, 2018 by pady_1

0 answers

Both sickle cell anemia and Huntington's chorea are-

asked Jul 25, 2018 by pady_1

1 answer

Two common characters found in centipede, cockroach, and crab are-

asked Jul 25, 2018 by pady_1

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In which one of the following sets of animals do all the four give birth to young ones ?

asked Jul 25, 2018 by pady_1

2 answers

Biradial symmetry and lack of cnidoblasts are the characteristics of-

asked Jul 25, 2018 by pady_1

1 answer

The causative agent of mad-cow disease is a-

asked Jul 25, 2018 by pady_1

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Which hormone causes dilation of blood vessels, increased oxygen consumption an glucogenesis ?

asked Jul 25, 2018 by pady_1

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Which one of the following has an open circulatory system ?

asked Jul 25, 2018 by pady_1

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Which one of the following statements is incorrect ?

asked Jul 25, 2018 by pady_1

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Withdrawal of which of the following hormones is the immediate cause of menstruation ?

asked Jul 25, 2018 by pady_1

2 answers

Which of the following is an accumulation and release centre of neurohormones ?

asked Jul 25, 2018 by pady_1

1 answer

Which one of the following is not a second messenger in hormone action ?

asked Jul 25, 2018 by pady_1

1 answer

The contractile protein of skeletal muscle involving ATPase activity is-

asked Jul 25, 2018 by pady_1

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Two microbes found to be very useful in genetic engineering are-

asked Jul 25, 2018 by pady_1

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Which of the following statements regarding cilia is not correct -

asked Jul 25, 2018 by pady_1

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