biology Miscellaneous test 25 Welcome to your biology Miscellaneous test 25 Name Email 1.What is the full form of OCD? (a) Obesity-Compulsive Disorder (b) Obsession-Controlling Device (c) Obesity-Controlling Device (d) Obsessive-Compulsive Disorder None 2.A/an ______ is any substance that causes your immune system to produce antibodies against it. (a) protein (b) glucose (c) platelet (d) antigen None 3.Which one of the following is a ruminant animal? (a) Horse (b) Donkey (c) Hen (d) Cow None 4.What is the term 'circadian rhythm' associated with? (a) Movement of a merry-go-round (b) Heart beat (c) Body clock (d) Movement of a pendulum None 5. Herbivores form the ______ trophic level in a food chain. (a) third (b) second (c) first (d) fourth None 6.Which of the following is the only water-soluble vitamin that can be stored in the liver for many years? (a) Vitamin B-12 (b) Vitamin C (c) Vitamin K (d) Vitamin D None 7. Onions produce the chemical irritant known as syn-propanethial-S-oxide; this stimulates the eyes' ______ glands which release tears. (a) lachrymal (b) parotid (c) sublingual (d) submandibular None 8.How many recognized essential vitamins are there as of March 2021? (a) 15 (b) 11 (c) 13 (d) 9 None 9.Which of the following is a trace mineral found in the human body? (a) Sulfur (b) Magnesium (c) Selenium (d) Phosphorus None 10. Which part of the human body has the growth stages divided into - Anagen, Catagen and Telogen? (a) Hair (b) Tooth (c) Nose (d) Nails None 11.Which of the following pigments causes the red colour in onions? (a) Betalains (b) Chlorophylls (c) Carotenoids (d) Anthocyanins None 12.Spider webs are made up of ______, a natural fiber made up of protein. (a) silk (b) hair (c) wool (d) fur None 13. Collagen is a type of ______. (a) carbohydrate (b) protein (c) vitamin (d) fat None 14.The upward and downward growth of shoots and roots, respectively, in response to the pull of gravity is called ______. (a) hydrotropism (b) chemotropism (c) phototropism (d) geotropism None 15.When a host is exposed to antigens, which may be in the form of living or dead microbes or other proteins, antibodies are produced in the host body. This type of immunity is called ______ immunity. (a) active (b) passive (c) strong (d) acquired None 16.Detritivores in the soil break down detritus into smaller particles. This process is called ______. (a) leaching (b) catabolism (c) mineralisation (d) fragmentation None 17.Called the farmer’s ‘friend’, the ______ helps in the breakdown of complex organic matter as well as in loosening of the soil. (a) locust (b) rat (c) earthworm (d) weed None 18.Which of the following does NOT fall under the category of oilseeds? (a) Oats (b) Groundnut (c) Sesame (d) Soyabean None 19.What are supporting roots coming out of lower ends of the stem of maize and sugarcane called? (a) Stilt Root (b) Tertiary Root (c) Primary Root (d) Prop Root None 20.Which among the following birds impersonates the calls of other birds to steal food? (a) Owl (b) Eagle (c) Mynah (d) Drongo None 21.Which of the following is a breed of sheep? (a) Barbari (b) Jamunapari (c) Mecheri (d) Beetal None 22. Locomotion in ______ takes place with the help of a muscular foot. (a) jellyfish (b) snails (c) earthworms (d) None None 22. The solar tracking (moving in the sun's direction) of the sunflower is called ______. (a) Phototropism (b) Thigmotropism (c) Heliotropism (d) Hydrotropism None 23.Which among the following is a non-biodegradable waste? (a) Dead animals (b) Vegetables (c) Plastic (d) Flowers None 24.Which of the following is a natural flame retardant? (a) Skin (b) RNA. (c) DNA (d) Flowers None 25.Which of the following is used to control pest fish? (a) Predacides (b) Piscicides (c) Herbicides (d) Ovicides None Time's up
