Practice Pakistan's most useful MCQs for competitive exams

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

Answer

Submitted By :Ali Uppal

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

Answer

Submitted By :Ali Uppal

Type of sensations carried by nociceptors are_________________?

• (A)  Touch.
• (B)  Temperature.
• (C)  Pressure.
• (D)  Pain

Answer

Submitted By :Ali Uppal

Which type of the receptors are present in the ear__________________?

• (A)  Chemoreceptors
• (B)  Mechanoreceptors
• (C)  Photoreceptors
• (D)  Thermoreceptors

Answer

Submitted By :Ali Uppal

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

• (A)  Gibberellins
• (B)  Cytokinins
• (C)  Auxins
• (D)  Abscisic Acid

Answer

Submitted By :Ali Uppal

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

• (A)  Gibberellins
• (B)  Cytokinins
• (C)  Auxins
• (D)  Abscisic Acid

Answer

Submitted By :Ali Uppal

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)  Ethen

Answer

Submitted By :Ali Uppal

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 thes

Answer

Submitted By :Ali Uppal

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

• (A)  White
• (B)  Red
• (C)  Blue
• (D)  Green

Answer

Submitted By :Ali Uppal

Chemically auxins are____________?

• (A)  Indole propionic acid.
• (B)  Indole carboxylic acid.
• (C)  Indole acetaldehyde
• (D)  Indole acetic acid.

Answer

Submitted By :Ali Uppal