Q. Silk worms feed on -
1) Basil leaves
2) Curry leaves
3) Rose leaves
4) Mulberry leaves
Q. The sexual reproductive organs of aspergillus are -
1) Spermatium and Oogonium
2) Antheridum and Oogonium
3) Spermatium and Ascogonium
4) Antheridium and Ascogonium
Q. The colourful part of the sunflower or Marigold plant is -
1) Flower
2) Inflorescence
3) Fruit
4) Seed
Q. Red blood cells (RBCs) have -
1) no nucleus, no mitochondria and no endoplasmic reticulum
2) nucleus, mitochondria and endoplasmic reticulum
3) nucleus, mitochondria but no endoplasmic reticulum
4) no mitochondria but endoplasmic reticulum is present
Q. Colour vision in human eyes is the function of photoreceptor cells named -
1) Rods
2) Cones
3) Blind spot
4) Fovea
Q. Kidney secretes an enzyme, which changes plasma protein angiotensinogen into angiotensin. The enzyme is -
1) Renin
2) Nitrogenase
3) Hydrolase
4) Mono-oxygenase
Q. Stung by hairs of nettle leaves causes burning pain. This is due to the injection of -
1) Acetic acid
2) Methanoic acid
3) Sulphuric acid
4) Hydrochloric acid
Q. Cell wall of any fungus is different from plants in having -
1) cellulose
2) chitin
3) cholesterol
4) glycogen
Q. Sleeping sickness is a parasitic disease of humans and other animals. It is caused by -
1) Histomonas
2) Trypanosoma
3) Angomonae
4) Naegleria
Q. Which of the following are the major coral reef areas of India?
1. Gulf of Kachchh
2. Gulf of Mannar
3. Lakshadweep
4. Andaman and Nicobar Islands
Select the correct answer using the code given below -
1) 1 and 3 only
2) 2 and 4 only
3) 1, 2 and 3 only
4) 1, 2, 3 and 4
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