Option “1” is correct Prawn belongs to the phylum Arthropoda.
412. Which of the following organisms does not fit into the Cell Theory?
1. Bacteria
2. Virus
3. Fungi
4. Plants
Option “2” is correct Cell theory is not applicable on Viruses. They are made up of proteins and one of nucleic acids i.e. DNA or RNA. So they lack protoplasm, the essential part of the cell.
Option “4” is correct Prednisone drug is used as an Anti-Inflammatory drug. It is used to treat a number of different conditions, such as inflammation (swelling), severe allergies, adrenal problems, arthritis, asthma, blood or bone marrow problems, endocrine problems, eye or vision problems, stomach or bowel problems, lupus, skin conditions, kidney problems, ulcerative colitis, and flare-ups of multiple sclerosis.
414. Musa paradisiaca is the scientific name of which plant?
1. Mango
2. Wheat
3. Corn
4. Banana
Option “4” is correct Musa paradisiaca is the scientific name of Banana plant.
415. Flat footed camels can walk easily in sandy deserts because –
1. pressure on the sand is decreased by increasing the area of the surface in contact
2. pressure on the sand is increased by increasing the area of the surface in contact
3. pressure on the sand is decreased by decreasing the area of the surface in contact
4. pressure on the sand is increased by decreasing the area of the surface in contact
Option “1” is correct Flat footed camels can walk easily in sandy deserts because presuure on the sand is decreased by increasing the area of the surface in contact.
416. Mitochondria was discovered by –
1. Weismann
2. Darwin
3. Lamarck
4. Richard Altamann
Option “4” is correct Richard Altamann discovered Mitochondria.
417. The chemical used for destroying fungi in water tanks is –
Option “1” is correct Copper Sulphate is a fungicide used to control bacterial and fungal diseases of fruit, vegetable, nut and field crops. It is chemical used for destroying fungi in water tanks.
418. Animals living in the tree trunks are known as –
1. Arboreal
2. Volant
3. Amphibious
4. Aquatics
Option “1” is correct Arboreal is defined as something having the evolutionary characteristics of animals which allow them to live or maneuver through trees. An example of an arboreal part of the chimpanzee’s anatomy is its long arms.
419. Which of the following is correct about cold-blooded animals?
1. Their blood remains cold all the time
2. Their body temperature changes in accordance with atmosphere
3. Their body temperature remains constant all the time
4. They kill all the animals they came across.
Option “2” is correct Cold-blooded creatures take on the temperature of their surroundings. They are hot when their environment is hot and cold when their environment is cold.
420. Which of the following animals has the longest life span?
1. Elephant
2. Crocodile
3. Dog
4. Tortoise
Option “4” is correct Tortoise has longest span of life.
