MCQ
Secondarily asymmetrical type of symmetry is present in
  • A
    Unio
  • Snail
  • C
    Holothuria
  • D
    Star fish

Answer

Correct option: B.
Snail
b
It’s obvious

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The wall of the eye ball is composed of three layers. Which character is not related with eye ?
(i) At the retina yellowish pigmented spot called macula lutea is present.
(ii) The ciliary body itself continues forward to form a pigmented and opaque structure called the iris.
(iii) The twilight (scotopic) vision and colour vision are functions of cones and the daylight (photopic) vision is the function of the rods.
(iv) The rods contain a purplish-red protein called the rhodopsin, which contains a derivative of vitamin-A.
(v) In the human eye, there are three types of cones which possess their own characteristic photo pigments that respond to red, green and yellow lights.
(vi) Photoreceptor cells are not present in blind spot.
(vii) The fovea is a thinned-out portion of the retina where only the rod cells are densely packed.
The ducts which carry milk from mammary glands to nipple are called
Interphalangeal joints are also called as
Find out sexually transmitted diseases among the given below $I. AIDS II. Syphilis$ $III. Gonorrhea$ $IV. Malaria$ $V. Hepatitis-B$ $VI. TB$
What would happen if in a gene encoding a polypeptide of 50 amino acids, 25th codon (UAU) is mutated to UAA?
Match the following columns.

 $\begin{array}{|l|l|} \hline Column\,\,-I  & Column\,\,-II \\ \hline A.\,\,PRL  & 1.\,\,Gonadotropin \\ \hline B.\,\,TSH  & 2.\,\,Glucocorticoid \\ \hline C.\,\,ACTH & 3.\,\,Thyroid\,\,hormone \\ \hline D.\,\,LH\,\,and\,\,FSH & 4.\,\,Mammary\,\,glands \\ \hline \end{array}$

 

Menstrual flow occurs due to lack of
What are the diploid cells in gametogenesis ?
Malarial parasites could be best obtained from a patient
The number of bones present in the skeleton that runs along the middle longitudinal axis of the body is