A. Gibberellins
B. Cytokinins
C. Abscisic Acid
D. none of these.
Related Mcqs:
- Stem of Psilophyton an example of psilogsida is differentiated into an underground rhizome and an aerial part both of which are _________ branched
A. Isotomous
B. Dichotomously
C. Trichotomously
D. Multichotomously - 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. - The terms procariotique and eucariotique were proposed by___________?
A. Whittaker
B. Chatton
C. Haeckel
D. Margulis and SchwartzSubmitted by: Maryam Aftab
- If enzyme concentration is low than substrate pH and temperature values are equal to requirement then which of the following will increase rate of reaction____________________?
A. increase in concentration of enzyme
B. increase in concentration of substrate
C. increase in pH
D. increase in temperature - Which one of the following is most likely to occur in an animal during winter?
A. Activation of sweat glands
B. Dilation of skin blood vessels
C. Panting
D. Thermogenesis - Of the following which one is not the characteristic of green algae?
A. Some green algae possess cell wall with cellulose
B. They are generally accepted as the ancestors of green plants
C. Chlorella is unicellular non-motile green algae
D. None of these - Of the following which one is not the characteristic of triploblasts?
A. All of them have blood vascular system
B. They may be coelomate pseudocoelomate or acoelomate
C. They are included in grade bilaterian
D. All of them have digestive system - Of the following which one is not found in series proterostomia?
A. Annelida
B. Arthropoda
C. Mollusea
D. Echinodermata - Which of the following is a selectively permeable membrane?
A. cell wall
B. cytoplasm
C. cell membrane
D. none of theseSubmitted by: Muhammad Nawaz
- Which of the following is most toxic?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide
