651. Nodules on roots of leguminous plants have __________ bacteria?
A. Anaerobic
B. Nitrogen fixing
C. Nitrifying
D. Ammonifying

652. Earthworm is an example of ______________feeder?
A. Detritus
B. Fluid
C. Macrophageus
D. Filter

653. All of the insectivorous plants are true________________?
A. Heterotrophs
B. Autotrophes
C. Carnivores
D. Saprotrophs

654. Of the following, which one has more variety of nutrition________________?
A. Animals
B. Bacteria
C. Plants
D. Fungi

655. Incomplete or imperfect digestion is known as________?
A. Obesity
B. Dyspepsia
C. Anorexia nervous
D. Bulimia nervosa

656. The leaf is bilobed with midrib between them. The plant is____________?
A. Saraccnia
B. Dionaea
C. Pitcher plant
D. None of these

657. Anus is surrounded by _____ types of muscles?
A. 2
B. 3
C. 1
D. 4

658. Of the following, which one is missing in herbivores_______________?
A. Premolars
B. Canines
C. Incisors
D. Molars.

659. Certain types of whales are also __________ feeder?
A. Fluid
B. Macrophagous
C. Filter
D. None of these

660. ____________is about 2.4 meter in length and comprising about two fifth of the small intestine?
A. Duodenum
B. Jejunum
C. Ileum
D. Caecum