11. What do we call the non-green heterotrophic plants of plant kingdom?
[A] Bacteria
[B] Fungi
[C] Archaea
[D] Escherichia coli
Show Answer
Correct Answer: B [Fungi]
Notes:
Fungi are called the non-green heterotrophic plants of plant kingdom. This Kingdom includes smuts, rusts, yeasts, molds, mushrooms, etc. It is an eukaryotic organism.
12. Which among the following is not a connective tissue?
[A] Blood
[B] Skin
[C] Cartilage
[D] Bone
Show Answer
Correct Answer: B [Skin]
Notes:
The connective tissues include several types of fibrous tissue that vary only in their density and cellularity, as well as the more specialized and recognizable variants—bone, ligaments, tendons, cartilage, and adipose tissue. Skin is not a connective tissue. It is the body’s largest organ and consists of multiple layers, including the epidermis (outermost layer) and the dermis (deeper layer). Skin primarily serves as a protective barrier and regulates temperature, but it is mainly classified as an epithelial tissue due to its structure and function.
13. BCG vaccination is to be given to a new born child after what time? (UPSC Prelims 1979).
[A] Immediately after birth
[B] Within 48 hours
[C] Within seven days
[D] Within six months
Show Answer
Correct Answer: A [Immediately after birth]
Notes:
Bacillus Calmette Guérin or BCG is usually given around birth to prevent severe TB in infants. The neonatal immune system is immature. Delaying BCG vaccination from birth to 10 weeks of age would enhance the vaccine-induced immune response. The BCG vaccine is an injection given to children who have a higher risk of catching TB. The BCG vaccine helps your child’s immune system fight the germs that cause TB and helps stop them from getting serious TB disease.
14. Which one of the following is a modified stem? (UPSC Prelims 1996)
[A] Carrot
[B] Sweet Potato
[C] Coconut
[D] Potato
Show Answer
Correct Answer: D [Potato]
Notes:
Potato tuber bears buds in small pits known as eyes. Buds develops to branches. Some of the branches become green, erect and leafy stems that grow horizontally underground.
15. Consider the following statements:
- Tapeworm is a hermaphrodite.
- Round-worm has separate sexes.
- Filaria is caused by a nematode.
- Guinea-worm is an annelid.
Which of these are correct? (UPSC Prelims 2001)
[A] Only 1 and 2
[B] 1, 2 and 3
[C] 3 and 4
[D] 2, 3 and 4
Show Answer
Correct Answer: B [1, 2 and 3]
Notes:
Filariasis is a parasitic disease caused by an infection with roundworms of the Filarioidea type. These are spread by blood-feeding diptera such as black flies and mosquitoes. Lymphatic filariasis is caused by the worms Wuchereria bancrofti, Brugia malayi, and Brugia timori. Unlike this, a tapeworm is a hermaphrodite, which means that it has both male and female reproductive organs, and Round-worm has separate sexes.
16. Which one of the following cultivation is related to Floriculture?
[A] Cultivation of Vegetables and Fruits
[B] Cultivation and Study of Ornamental Flowers
[C] Cultivation of crops
[D] None of these
Show Answer
Correct Answer: B [Cultivation and Study of Ornamental Flowers]
Notes:
Floriculture in the branch of biology is related cultivation and Study of Ornamental Flowers.
17. Lepidopterology is a branch of biology, which deals with the studies of which of the following?
[A] Lipids and fats
[B] Butterflies and moths
[C] Tongue
[D] Lakes and Ponds
Show Answer
Correct Answer: B [Butterflies and moths]
Notes:
Lepidopterology is a branch of entomology that deals with the scientific study of moths and three superfamilies of butterflies.
18. Who has introduced Two Kingdom Classification?
[A] Carolus Linnaeus
[B] Ernest Haeckel
[C] Copeland
[D] RH Whittaker
Show Answer
Correct Answer: A [Carolus Linnaeus]
Notes:
Carolus Linnaeus proposed Two kingdom of classification in which he classified organisms into Plantae and Animalia.
19. Which of the following is a type of Monera Kingdom?
[A] Bacteria
[B] Mushroom
[C] Euglena
[D] Mucor
Show Answer
Correct Answer: A [Bacteria]
Notes:
Bacteria comes under Monera kingdom, Mushroom and Mucor are part of Fungi.
20. Microfilaments are made up of which protein?
[A] Tubulin
[B] Actin
[C] Myosin
[D] Chitin
Show Answer
Correct Answer: B [Actin]
Notes:
Microfilaments are composed of globular subunits of the protein actin. Actin monomers polymerize in the presence of ATP to form flexible helical filaments.
