Questions

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.
Clandestine

Zeolite is

Lysosome is formed from which of the following cell organelles?

In mammals, an important role of excretion is played by________

Which of the following State is surrounded by Bangladesh from three sides?

Improve the bracketed part of the sentence.
Scientists (have developed) an “organ-on-a-chip” platform to study how drugs are transported across the human placental barrier.

Sound can not travel in which of the following medium?

In each of the following questions three statements are given and these statements are followed by two conclusions numbered (1) and (2). You have to take the given three statements to be true even if they seem to be at variance from commonly known facts. Read the conclusions and then decide which of the given conclusions logically follows from the two given statements, disregarding commonly known facts.
Statements:

All books are novels.
No novel is a magazine.
All magazines are newspaper.
Conclusions: 

I.No book is a magazine.
II. Some newspaper are novels.