Plant and Animal Kingdom

Which one of the following is wrong about Chara?

Options

(a) Upper oogonium and lower round antheridium (b) Globule and nucule present on the same plant (c) Upper antheridium and lower oogonium (d) […]

Which of the following is responsible for peat formation?

Options

(a) Marchanita (b) Riccia (c) Funaria (d) Sphagnum

Correct Answer:

Sphagnum

Explanation:

Sphagnum, a moss, provides peat that have long been used as fuel. […]

Which one of the following statements is wrong?

Options

(a) Agar – agar is obtained from Gelidium and Gracilaria (b) Chlorella and Spirulina are used as space food (c) Mannitol is stored food […]

Which of the following represents the correct combination without any exception?Characteristics – Class

Options

(a) Mouth ventral, gills withoutoperculum; skin with placoidscales; persistent notochord – Chondrichthyes (b) Sucking and circular mouth;jaws absent, integument […]

Which of the following animals is not viviparous?

Options

(a) Elephant (b) Platypus (c) Whale (d) Flying fox (Bat)

Correct Answer:

Platypus

Explanation:

Platypus is oviparous (egg laying animal). It belongs to class – […]

The terga, sterna and pleura of cockroach body are joined by :

Options

(a) Muscular tissue (b) Arthrodial membrane (c) Cartilage (d) Cementing glue

Correct Answer:

Arthrodial membrane

Explanation:

Between the various sclerite, a […]

Read the following five statements(A to E) and select the option with all correct statements : (A)Mosses and Lichens are the first organisms to colonise a bare rock (B)Selaginella is ahomosporous pteridophyte (C)Coralloidroots in Cycas […]