The plants which produce embryo but lack vascular tissues and seeds are placed in_________?

Following possess bilateral symmetry as larva and radial symmetry as adult:

A. Chordata
B. Hydra
C. Echinodermata
D. Hemichordata

The structure of DNA was proposed by_________?

A. Louis Pasture
B. William Harvey
C. Charles Darwin
D. Watson and Crick

Which organelles contain its own DNA?A. nucleus
B. mitochondria
C. chloroplast
D. All of these

The three organelles that contain DNA are the nucleus, mitochondria and chloroplasts. Organelles are membrane-bound subunits within a cell — analogous to organs in the body — that perform specific functions. The nucleus is the control center of the cell, and houses genetic information. The mitochondria and chloroplasts both produce energy, in animal and plant cells, respectively.

 

Organisms of which of the following kingdom have absorptive mode of nutrition______________?

A. Prokaryotae
B. Protoctista
C. Animalia
D. Fungi

Amoeba moves in water with the help of locomotory organs called_________?

A. tube feet
B. cilia
C. pseudopodia
D. flagella

The partly digested food is stored in________in cockroach?

A. Gizzard
B. Crop
C. Hepatic caeca
D. Rectum