Options:
- A. Psilopsida
- B. Lycopsida
- C. Sphenopsida
- D. Prteropsida
View Answer
A. Psilopsida
Biology
All of the following are similarities between nervous and endocrine system except:_____________?
Options:
- A. Produce chemical messengers
- B. Release chemical messengers in extracellular space
- C. Homestatic in function
- D. Having slow but prolonged effects
View Answer
D. Having slow but prolonged effects
Which of the following has no central nervous system?
Options:
- A. Hydra
- B. Man
- C. Planaria
- D. Cockroach
View Answer
A. Hydra
Which of the following ions are involved in the initiation of nerve impulse_______________?
Options:
- A. Na+
- B. K+
- C. Fe
- D. none of these
View Answer
A. Na+
Which of the following structure provides greater pathogenicity to the bacteria__________?
Options:
- A. Capsule
- B. Slime
- C. Cell Wall
- D. Cell membrane
View Answer
B. Slime
Aschelminthes is also known as____________?
Options:
- A. Protozoans
- B. Eumatazoa
- C. Nematodes
- D. Protoctist ancestors
View Answer
C. Nematodes
The function of coelom is__________?
Options:
- A. To increase the size of the animals
- B. To help in the functioning of reproductive system
- C. To provide space for the development of organs and systems
- D. None of these
View Answer
C. To provide space for the development of organs and systems
_______ are the first group of invertebrates which have developed a closed circulatory system.
Options:
- A. Nematods
- B. Annelids
- C. Arthropods
- D. Molluscs
View Answer
B. Annelids
Pin warm is common name used for__________?
Options:
- A. Rhabditis
- B. Enterobius vermicularis
- C. Ancylostoma duodenale
- D. Taenia solium
View Answer
B. Enterobius vermicularis
which of the following gives to rise two daughter cell during cell division?
Options:
- A. meiosis
- B. mitosis
- C. both a & b
- D. none of these
View Answer
B. mitosis