Options:
- A. Purple
- B. Red
- C. Pink
- D. Blue
View Answer
A. Purple
Biology
The system well developed in the acoelomate is___________?
Options:
- A. Excretory system
- B. Nervous system
- C. Transport system
- D. All of these
View Answer
D. All of these
Sperms released in water are carried to the mesenchyme in sponges by__________?
Options:
- A. Amoeboid cell
- B. Stipules
- C. Spicules
- D. Spines
View Answer
A. Amoeboid cell
Enteron in coelenterates acts as___________?
Options:
- A. Digestive cavity
- B. Body cavity
- C. Transporting cavity
- D. all of these
View Answer
D. all of these
The number of chromosomes in human cell is_____________?
Options:
- A. 48
- B. 44
- C. 46
- D. 26
View Answer
C. 46
Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?
Options:
- A. Algae
- B. Bacteria
- C. Protozoa
- D. Fungus
View Answer
D. Fungus
The zygote formed in liverworts is___________?
Options:
- A. Unicellular
- B. Mulicellular
- C. Multinucleate
- D. None of these
View Answer
A. Unicellular
In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?
Options:
- A. Mitosis
- B. Meiosis
- C. Both depending upon the conditions
- D. None of these
View Answer
B. Meiosis
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______________?
Options:
- A. Gibberellins
- B. Cytokinins
- C. Auxins
- D. Ethene.
View Answer
A. Gibberellins
Cell membrane under resting conditions is impermeable to all the ions except_____________?
Options:
- A. Na+
- B. K+
- C. Cl-
- D. PO4-2
View Answer
B. K+