11. Which among the following is not a fat soluble vitamin?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin K
[D] Vitamin D
Show Answer
Correct Answer: B [Vitamin B]
Notes:
Vitamins are classified into two broad categories, water soluble (vitamins B complex and C) and fat soluble (vitamins A,D,E and K).
Extra info: Excess intake of fat soluble vitamins leads to toxicity and poses greater risk.
12. Who is the father of Modern Botany?
[A] Carl Linnaeus
[B] Theophrastus
[C] Robert Hooke
[D] Krateuas
Show Answer
Correct Answer: A [Carl Linnaeus]
Notes:
Carl Linnaeus is known as the father of modern botany. Linnaeus first formulated the principles, known as binomial nomenclature, to create a uniform system for defining and naming natural species and species of organisms.
13. What is the term known as a giant growth of algae?
[A] Panic boom
[B] Algal boom
[C] Herbal boom
[D] Patkai boom
Show Answer
Correct Answer: B [Algal boom
]
Notes:
A massive growth or rapid increase in the population of algae in water is known as algal boom.
14. What are plants without seeds having vascular tissue?
[A] Gymnosperms
[B] Bryophytes
[C] Angiosperm
[D] Pteridophytes
Show Answer
Correct Answer: D [Pteridophytes]
Notes:
Pteridophyte is a type of vascular plant, which spreads spores. Pteridophytes produce neither flowers nor seeds, they are sometimes referred to as “cryptogams”.
15. Angiosperms are the main plant because__?
[A] Domestication by man
[B] Power of adapting in diverse habitats
[C] Self-pollination property
[D] Property of producing a large number of seeds
Show Answer
Correct Answer: B [Power of adapting in diverse habitats]
Notes:
Angiosperms are plants that produce flowers. They hold their seeds in the fruits. They are the largest and most diverse group within the Plantae kingdom, with approximately 300,000 species.
16. Which of the following is a plant without seed vascular tissue?
[A] Angiosperm
[B] Pteridophytes
[C] Bryophytes
[D] Gymnosperms
Show Answer
Correct Answer: B [Pteridophytes]
Notes:
Pteridophytes are the most primitive vascular plants. It is a simple reproductive system that does not have flowers and seeds.
17. Covered smut of Sorghum is caused by which of the following?
[A] Sphacelotheca sorghi
[B] Sphacelotheca cruenta
[C] Sphacelotheca reiliana
[D] Tolyposporium ehrenbergii
Show Answer
Correct Answer: A [Sphacelotheca sorghi]
Notes:
Sporisorium sorghi is a fungus in the family of Ustilaginaceae. It is a plant pathogen that causes the covered scum of sorghum.
18. Which is the only metal present in chlorophyll?
[A] Sodium
[B] Iron
[C] Magnesium
[D] Cobalt
Show Answer
Correct Answer: C [Magnesium]
Notes:
Chlorophyll or green leaves contain magnesium ions present in the chloroplast of all green plants. Magnesium ion is found in the middle of the porphyrin ring.
19. Which of the following is not a characteristic of insectivorous plants?
[A] the plants that trap insects
[B] derive nutrition from dead and decaying plants and animals
[C] Their leaves are modified into special structures which traps the insects and digest
[D] These plants grow on the soil that lacks minerals
Show Answer
Correct Answer: B [derive nutrition from dead and decaying plants and animals]
Notes:
Insectivorous plants are plants that trap insects. Their leaves are modified into special structures that trap insects and are digested with the help of digestive enzymes to obtain nutrition from those insects. These plants grow on soil that lacks minerals.
20. The male reproductive part of a flower, the stamens, is collectively known as __?
[A] Androecium
[B] Filament
[C] Anther
[D] Gynoecium
Show Answer
Correct Answer: A [Androecium]
Notes:
The male reproductive part of a flower, the stamens, is collectively known as Androecium.