Blood circulation in a mammal is said to be double because?
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2021
If both parents are heterozygous for a trait. the probability that an offspring will be recessive for that trait is?
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2021
The mutation theory of organic evolution was propounded by?
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2021
The movement of part of a plant in response to external stimulus of no particular direction is?
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The most abundant group of organisms in the animal kingdom?
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2021
The plants that grow in deserts or very dry areas are referred to as?
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2021
Which of the following is true in blood transfusion?
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2021
The sequence of the one-way gaseous exchange mechanism in a fish is?
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2021
I. Stomata --> SpirogyraII. Alveoli --> EarthwormIII. Malpighian tubule -> MammalIV. Contractile vacuole -> ProtozoaWhich of the above structures is correctly matched with the organisms in which it is found?
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2021
Mass of a crucible = 10g,Mass of a crucible and soil before heating =29gMass of a crucible and soil after heating = 18gFrom the information above, determine the percentage of water in the given soil sample?
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2021
The order of passage of food in the digestive system is
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2021
The correct sequence of the movement of urea during urine formation is?
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2021
Which of the following produces both hormones and enzymes?
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2021
I. Rattusrattus. Il. Agama agama III. Bufo regularis IV. Tilapiazillii
The order of evolutionary advancement of the above vertebrates is?
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2021
The two key cations involved in the action potential of nervous transmissions are?
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2021
If a DNA strand has a base sequence TCA, its complementary strand mustbe?
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2021
When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because?
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2021
The number of plant species obtained from a population study of a garden is as follows: Guinea grass (15), Ipomoea spp (5), Sida spp (7) and Imperata spp (23)What is the percentage of occurrence of Imperataspp?
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2021
I. High birth rate and high immigration rateII. Low birth rate and high immigration rateIII. Low mortality rate and low emigration rateIV. High mortality rate and high emigration rate.Which combination of the above can c…
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2021
The correct sequence for the perception of smell in mammals is?