Biology Multiple Choice Questions (MCQs)3

Biology Multiple Choice Questions (MCQs). 

Which is a parasitic plant
(A) cuscuta
(B) rose
(C) ferns
(D) mosses

True roots absent in
(A) ferns
(B) bryophytes
(C) gymnosperms
(D) angiosperms

The mechanism for ATP synthesis is
(A) chemosynthesis
(B) photosynthesis
(C) phosphorylation
(D) chemiosmosis

Enzyme present in the saliva is
(A) lipase
(B) trypsin
(C) ptyalin
(D) invertase

Nitrogen is present in (A) carbohydrates
(B) proteins
(C) lipids
(D) carbonates

The food is ground in the cockroach in (A) mesenteron
(B) crop
(C) gizzard
(D) intestine

Operculum is present in
(A) bony fish
(B) sea fish
(C) cartilaginous fish
(D) none of these

In which animal respiratory surface are found in more than one organ (A) birds
(B) human
(C) fish
(D) frog

The heart is enclosed in a membrane called (A) pleura
(B) pericardium
(C) peritoneum
(D) epithelium

From right ventricle blood is pushed into
(A) pulmonary trunk
(B) brain
(C) aorta
(D) body