A. Botany
B. Ecology
C. Social biology
D. Pharmacology
Biology
Dorsal root of spinal nerves contain only ………. ?
A. Effectors neurons
B. Receptor neurons
C. Stimulators
D. Detector neurons
The higher animals have special organs for exchange of gases as their skin is ……….. ?
A. Thin
B. Thick
C. Soft
D. Hard
Circular disc shaped structure with a round hole is ……….. ?
A. Iris
B. Pupil
C. Horoid coat
D. Ciliary body
The first ever vascular plants are………?
A. Cooksonia
B. Selaginella
C. Adiantum
D. Dryopteris
Which one of the following is referred as the species occupation?
A. Autecology
B. Niche
C. Ecosystem
D. Biome
Membrane that separates ‘cytoplasm’ and ‘nucleus’ is called ……….. ?
A. Cell wall
B. Cell membrane
C. Boundary
D. Nuclear envelop
Division of nucleus is termed as……….. ?
A. Karyokinesis
B. Cytokinesis
C. Anaphase
D. Meiosis
Length of membranous urethra is about ……….. ?
A. 1 cm
B. 2 cm
C. 5 cm
D. 9 cm
Joints between flat bones of skull are termed as ………… ?
A. Suture
B. Sutural joints
C. Syndesmosis
D. Both A and B