Which of the these is not a part of the anther wall?
Epidermis
Middle layers
Endothecium
Nucellus
Nucellus
One of these is not a feature of non-chordates
Absence of post-anal tail
Ventrally located central nervous system
Absence of notochord
Ventrally located heart
Ventrally located heart
Identify the phylum from the statements given below
Cnidaria
Aschelminthes
Annelida
Arthropoda
Arthropoda
Match Column I with Column II and Column III. Choose the correct option
Column I | Column II | Column III |
1. Cnidocytes | A. Ctenoplana | i. Balancing |
2. Statocyst | B. Fasciola | ii. Defense |
3. Radula | C. Pennatula | iii. Feeding |
4. Flame cells | D. Locusta | iv. Locomotion |
5. Comb plates | E. Pila | v. Osmoregulation |
1-A-ii; 2-A-v; 3-E-iii; 4-C-i; 5-E-iv
1-B-iii; 2-A-iv; 3-E-v; 4-C-ii; 5-D-i
1-C-ii; 2-D-i; 3-E-iii; 4-B-v; 5-A-iv
1-D-i; 2-C-ii; 3-A-v; 4-B-iii; 5-A-v
1-D-i; 2-C-ii; 3-A-v; 4-B-iii; 5-A-v
C.
1-C-ii; 2-D-i; 3-E-iii; 4-B-v; 5-A-iv
Column I | Column II | Column III |
1. Cnidocytes | C. Pennatula | ii. Defense |
2. Statocyst | D. Locusta | i. Balancing |
3. Radula | E. Pila | iii. Feeding |
4. Flame cells | B. Fasciola | v. Osmoregulation |
5. Comb plates | A. Ctenoplana | iv. Locomotion |
Read the following statements and choose the correct option
(i) Aves are homoiothermous.
(ii) Pinnae are present in mammals.
(iii) Operculum is present in Chondrichthyes.
(iv) Skin of amphibians are dry and horny.
(v) Open type of circulation is found in cyclostomes.
(i) and (ii) only are wrong
(ii), (iii) and (iv) only are wrong
(i), (ii) and (iv) only are wrong
(iii), (iv) and (v) only are wrong
(iii), (iv) and (v) only are wrong
Role of calciferous glands in the stomach of earthworm is to
Neutralize the humic acid in the humus
Produce HCI
Emulsify fats
Increase the absorptive area
Increase the absorptive area
Through mosaic vision, a cockroach can receive
Several images of an object with less sensitivity but less resolution
Only one image of an object with less sensitivity but less resolution
Several image of an object with less sensitivity but more resolution
Only one image of an object with less sensitivity but more resolution
Only one image of an object with less sensitivity but more resolution
Match the following regarding the morphology of cockroach and choose the correct option
Column I | Column II |
i. Tergites | A. Forewings |
ii. Tegmina | B. Upper lip |
iii. Hypopharynx | C. Dorsal sclerite |
iv. Labium | D. Tongue |
v. Labrum | E. Lower lip |
i - D; ii - E; iii - C; iv - B; v - A
i - B; ii - C; iii - E; iv - D; v - A
i - E; ii - A; iii - C; iv - D; v - B
i - C; ii - A; iii - D; iv - E; v - B
i - C; ii - A; iii - D; iv - E; v - B
Mesorchium in frog in a/an
Opening of conus arteriosus
Peritoneal fold which adheres the testis to the upper part of the kidneys
Part of the hind brain
Tissue by which ovaries are attached to the peritoneal cavity
Tissue by which ovaries are attached to the peritoneal cavity
Choose the wrong statement
Tight junctions helps to stop substances from leaking across a tissue
Adhering junctions perform cementing to keep neighbouring cells together
Gap junctions facilitate the cells to communicate with each other by connecting the nuclei of adjoining cells
The main functions of Cuboidal epithelium are secretion and absorption
The main functions of Cuboidal epithelium are secretion and absorption