1. Which among the following is the most common method of pollination in flowers without petals?
[A] Wind
[B] Water
[C] Insects
[D] All of above
Show Answer
Correct Answer: A [Wind]
Notes:
Wind is the most common media of pollination in flowers without petals. Pollination refers to the transfer of pollen from a male part of a plant to a female part of a plant which enables fertilisation and the production of seeds, most often by an animal or by wind.
2. Which among the following disease is called by Yersinia pestis?
[A] Leprosy
[B] Anthrax
[C] Plague
[D] Dengue
Show Answer
Correct Answer: C [Plague]
Notes:
Plague is an infectious disease caused by Yersinia pestis bacteria. It is usually found in small mammals and their fleas. The disease is transmitted between animals via their fleas. As it is a zoonotic bacterium, it can also transmit from animals to humans.
3. The cultivation of which of the plants on wastelands has a potential to generate biofuel in large quantities?
[A] Jatropha curcas
[B] Copaifera langsdorffii
[C] Camelina sativa
[D] None of the above
Show Answer
Correct Answer: A [Jatropha curcas]
Notes:
The cultivation of Jatropha curcas on wastelands has a potential to generate biofuel in large quantities. It is a species of flowering plant in the spurge family called Euphorbiaceae, that is native to the American tropics, most likely in Mexico and Central America.
4. Which among the following is not rightly matched : (Ailments and affected parts of Body)
[A] Dermatitis – Skin
[B] Glossitis – Tongue
[C] Peritonitis – Abdomen
[D] Cystitis – Caecum
Show Answer
Correct Answer: D [Cystitis – Caecum]
Notes:
Cystitis is related to Bladder
5. The term “Gypsophils” is associated with the people who have liking for which among the following?
[A] Vultures
[B] Eagles
[C] Hawks
[D] Falcons
Show Answer
Correct Answer: A [Vultures]
Notes:
The term “Gypsophils” is associated with the people who have liking for vultures.
6. Which among the following is not a ‘heriditary’ disease?
[A] Thalessemia
[B] Colour-Blindness
[C] Haemophilia
[D] Leukemia
Show Answer
Correct Answer: D [Leukemia]
Notes:
The human body needs red blood cells and platelets to remain healthy. But in Leukemia increased white blood cells crowd out the red blood cells and platelets. Leukemia is a blood cancer caused by a rise in the number of white blood cells in your body.
7. Which of the following branches of Biology is concerned with the effects of radiation on living organisms?
[A] Actinobiolgy
[B] Cryobiology
[C] Cytogenetics
[D] Aerobiology
Show Answer
Correct Answer: A [Actinobiolgy]
Notes:
Actinobiolgy is the branch of biology which studies the effects of radiation on organisms. Cryobiology involves study of life at Low temperatures; Cytogenetics involves Cytological basis of inheritance and Aerobiology deals with the studies of spores and micro organisms in air.
8. Which process develops new species from the existing species?
[A] Homologous
[B] Analogous
[C] Speciation
[D] Genetic variation
Show Answer
Correct Answer: C [Speciation]
Notes:
Speciation is the formation of new species. Speciation is the evolutionary process by which populations evolve to become distinct species. The biologist Orator F. Cook coined the term in 1906 for cladogenesis, the splitting of lineages, as opposed to anagenesis, phyletic evolution within lineages.
9. Which of the following carries oxygen to various parts of human body?
[A] Red blood cells
[B] Nerves
[C] Plasma
[D] White blood cells
Show Answer
Correct Answer: A [Red blood cells]
Notes:
Hemoglobin is the protein inside red blood cells that carries oxygen. Red blood cells also remove carbon dioxide from your body, transporting it to the lungs for you to exhale.
10. Which of the following functions is performed by the kidneys in the human body?
[A] Transportation
[B] Excretion
[C] Respiration
[D] Digestion
Show Answer
Correct Answer: B [Excretion]
Notes:
The primary route in which the body eliminates substances is through the kidneys. The main function of the kidney is the excretion of body wastes and harmful chemicals into the urine.