Pineapple fruit develops from
Options
(a) an unilocular polycarpillary flower (b) a multipistillate syncarpous flower (c) a culster of compactly borne flower on a common axis (d) a multilocular monocarpiullary flower
Correct Answer: […]
Conifers differ from grasses in the
Options
(a) production of seeds from ovules (b) lack of xylem tracheids (c) absence of pollen tubes (d) formation of endosperm before fertilizatio
Correct Answer:
formation of […]
Which of the following is not correct
Options
(a) In maize,roots arise from the base of stem (b) In Bryophyllum and roots arise from leaf (c) carrot have napiform root (d) mangroves have […]
The bone marrow is composed of
Options
(a) muscle fibres and adipose tissue (b) areolar tissue and adipose tissue (c) adipose tissue and calcified cartilage (d) adipose tissue,arelar tissue and blood vessel
Correct […]
Why a vivipary an undesirable character for annual crop plants
Options
(a) It reduces the vigour of plant (b) The seeds cannot be dtored under normal conditions for the next season (c) The […]
Potato and sweet potato
Options
(a) have edible parts,which are homologous organs (b) have edible parts which are analogous organs (c) have been introduced in india from the same place (d) are two […]
Which of the following is not correct
Options
(a) hardness of seed coat is due to stone cells (b) stone cells are present in endocarp of coconut,hard seed coats and fruit pulp (c) […]
The body of rohu fish is covered by
Options
(a) cycloid scale, but the tail of homoceral (b) placoid scale,but the tail hwteroceral (c) cyclois scale,but the tail of heteroceral (d) placoid scale,but […]
In bryophytes, the male sex organ consist of
Options
(a) some what elongated swollen ac borne on a more or less slender stalk (b) flask shaped structure the swollen basal portion of which […]
Which one of the following statements is wrong
Options
(a) Algin and carragen are products of algae (b) Agar-agar is obtained from Gelidium and Gracilaria (c) chlorella and spirulina are uses as space […]
2017-2025 Copyright Doctor Dreams Training Academy - About Us - Privacy Policy - Terms & Conditions - Contact Us - Refund Policy