Which type of plants develop root nodules?
(A) Leguminous plants
(B) Parasitic plants
(C) Epiphytic plants
(D) Aquatic plants
Answer: (A)
Axillary buds are best described as:
(A) Arising endogenously from the pericycle
(B) Emerging from the main growing point
(C) Embryonic shoots located in the leaf axil
(D) Developing from the epidermis
Answer: (C)
The onion bulb is a modified:
(A) Stem
(B) Root
(C) Leaf
(D) Flower
Answer: (A)
Which of the following is the richest source of protein?
(A) Sunflower
(B) Soybean
(C) Grams
(D) Wheat
Answer: (B)
Which group of plants produces flowers?
(A) Bryophyta
(B) Pteridophyta
(C) Gymnosperms
(D) Angiosperms
Answer: (D)
Parallel venation is a characteristic of:
(A) Monocot plants
(B) Plants with dicot stems
(C) Plants with Tulsi-like leaves
(D) Plants with tap roots
Answer: (A)
Which monoculture crop offers quick cash returns to farmers?
(A) Tea in Assam
(B) Rubber in Africa
(C) Sugarcane in Malaysia
(D) Coffee in Brazil
Code:
(a) 1 only
(b) 2 and 3
(c) 3 and 4
(d) 1 and 4
Answer: (D)
Which of the following statements is incorrect about Gymnosperms?
(A) Sporophyte is the dominant phase
(B) Vascular bundles are absent
(C) They produce heterospores
(D) Flowers are absent
Answer: (B)
Trees that thrive in full sunlight are called:
(A) Xerophytes
(B) Heliophytes
(C) Saprophytes
(D) Halophytes
Answer: (B)
Which plant is referred to as the “Herbal Indian Doctor”?
(A) Neem
(B) Amla
(C) Mango
(D) Tulsi
Answer: (B)
Which fruit has its seeds on the outer surface?
(A) Strawberry
(B) Banana
(C) Groundnut
(D) Cashew nut
Answer: (A)
Belladonna medicine is extracted from which part of Atropa belladonna?
(A) Leaf
(B) Root
(C) Stem
(D) Whole plant
Answer: (B)
Plants that flower only once in their lifetime are known as:
(A) Polycarpic
(B) Monocarpic
(C) Monogamous
(D) Monogeneric
Answer: (B)
Potato is an example of a:
(A) Tuber
(B) Bud
(C) Corm
(D) Rhizome
Answer: (A)
Chilgoza seeds are obtained from:
(A) Pinus
(B) Cycas
(C) Brassica
(D) None of these
Answer: (A)
The nitrogen-fixing bacteria in leguminous root nodules are:
(A) Saprophytic
(B) Parasitic
(C) Symbiotic
(D) Autotrophic
Answer: (C)
The sporangia-bearing leaf of a fern is termed as:
(A) Ramentum
(B) Indusium
(C) Sorus
(D) Sporophyll
Answer: (D)
Turmeric is a modified:
(A) Stem
(B) Root
(C) Leaf
(D) Fruit
Answer: (A)
Clove is:
(A) A fruit
(B) A dried flower bud
(C) A vegetative bud
(D) A seed
Answer: (B)
The arrangement of leaves on a stem is called:
(A) Phyllotaxy
(B) Phototaxy
(C) Phytotaxy
(D) Lianataxy
Answer: (A)
Leaves used to wrap bidis are obtained from:
(A) Shikakai
(B) Rudraksha
(C) Tendu
(D) Lemon grass
Answer: (C)
IR-20 is a high-yielding variety of:
(A) Cotton
(B) Rice
(C) Wheat
(D) Sugarcane
Answer: (B)