The bees do not have voice-boxes but they still make sound. How ?

What structural and chemical features do the microbodies in plant cells have in common? How do they differ?

Which of the following option is incorrect about the larynx (sound box) ?

(A): Electric Current and velocity of light both have direction as well as magnitude but still are not considered as vectors. (R): They do not follow laws of vector addition.

Blue green algae do not have flagella or cilia but they have the capacity to move. How is this function performed ?

How does the speed of sound change with change in wavelength of sound wave ?

Which organ is called the voice box?

There are energy bands in a solid. Do we have really continous evergy variation in a band or do we have very closely spaced but still discrete energy level ?

[A] : Honey bees are social insects known for producing honey and bees wax , and for living in very highly organized colonies . These colonies have hexagonal chambers called cells made up of bees wax . [R] : Cells are used for storing honey and pollen breeds , as well as for rearing the brood.

why do we hear the sound produced by the humming bees while the sound of vibrations of pendulum is not heard ?

Of 28 people is a park, 12 are children and the rest are adults. 8 people have to leave at 3 pm, the rest do not. If, after 3pm, there are 6 children still in the park, how many adults are still in the park?