Biology Mcqs

____________ is simplest form of learning.

A. Imprinting
B. Habituation
C. Insight learning
D. Latent learning

Which type of sensory structures carry deep pressure and vibration sensations______________?

A. Hair end organs
B. Meissner’s Corpuscles
C. Pacinian corpuscles
D. none of these

Which type of sensory structures carrying the touch sensations are present in papillae extending into ridges of the fingertips___________________?

A. Hair end organs
B. Meissner’s Corpuscles
C. Pacinian corpuscles
D. None of these

Type of sensations carried by nociceptors are_________________?

A. Touch.
B. Temperature.
C. Pressure.
D. Pain

Which type of the receptors are present in the ear__________________?

A. Chemoreceptors
B. Mechanoreceptors
C. Photoreceptors
D. Thermoreceptors

Which of the following is used in brewing industry to promote malting_______________?

A. Gibberellins
B. Cytokinins
C. Auxins
D. Abscisic Acid

The only promoter of leaf senescence in the following plant hormones is________________?

A. Gibberellins
B. Cytokinins
C. Auxins
D. Abscisic Acid

Abscisic acid promotes flowering in short day plants and inhibits in long day plants, which of the following is antagonistic to abscisic acid in terms of flowering______________?

A. Gibberellins
B. Cytokinins
C. Auxins
D. Ethene.

Which of the following is antagonist to Auxin in terms of promotion of stem growth______________?

A. Gibberellins
B. Cytokinins
C. Abscisic Acid
D. none of these.

Gibberellins may be substituted for ___________ light, therefore promote flowering in long day plants?

A. White
B. Red
C. Blue
D. Green