Option “4” is correct Ornithophily or bird pollination is the pollination of flowering plants by birds.
262. Spiders belong to the phylum –
1. Mollusca
2. Annelida
3. Cnidaria
4. Arthropoda
Option “4” is correct Spiders are air-breathing arthropods that have eight legs and chelicerae with fangs that inject venom.
263. Which of the following is induced by Oncogene?
1. Polio
2. Cancer
3. Diarrhoea
4. Dengue
Option “2” is correct Oncogenes were first discovered as cancer-causing viruses, they also are found in all normal cells. The original, unmutated wild-type allele of an oncogene is known, strictly, as the proto-oncogene. The mutant versions are the cancer-causing oncogenes.
264. Panthera Tigris is the scientific name of –
1. Panther
2. Tiger
3. Whale
4. Goat
Option “2” is correct Panthera Tigris is the scientific name of Tiger.
265. How many facial bones are there?
1. 34
2. 24
3. 14
4. 4
Option “3” is correct The skull consists of 8 cranial bones and 14 facial bones.
266. Halophytes are plants that grow in –
1. Fresh Water
2. Cold Water
3. Ponds
4. Salt Water
Option “4” is correct Halophytes are plants adapted to saline soils, and occur naturally in environments ranging from maritime estuaries to remnant salt lakes in arid zones.
267. Prothrombin, responsible for clotting of blood is released by_____.
1. Small Intestine
2. Blood Platelets
3. Large Intestine
4. Heart
Option “2” is correct Prothrombin, responsible for clotting of blood is released by Blood Platelets.
268. Acacia arabica is the scientific name of –
1. Neem
2. Teak
3. Babul
4. Pomegranate
Option “3” is correct Acacia arabica is the scientific name of Babul.
269. Name the source from which Aspirin is produced?
1. Willow bark
2. Oak Tree
3. Acacia
4. Eucalyptus
Option “1” is correct The ancient Egyptians used Willow bark to produce aspirin as a remedy for aches and pains.
270. Cannis Familiaris is the scientific name of –
1. Cat
2. Dog
3. Fox
4. Wolf
Option “2” is correct Cannis Familiaris is the scientific name of Dog.