Explore topic-wise MCQs in Biology.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.

1.

Koumiss is fermented milk where a mixture of lactic acid bacteria and yeast are used.

A. True
B. False
Answer» C.
Discussion
2.

Which of the following statement is incorrect regarding Yoghurt?

A. It is a fermented milk
B. Mixed with an inoculum containing Streptococcus faecalis
C. Preparation takes approximately 4-5 hours
D. The original flavour of yoghurt is of acetaldehyde
Answer» C. Preparation takes approximately 4-5 hours
Discussion
3.

Milk is a better product than curd.

A. True
B. False
Answer» C.
Discussion
4.

What is the full form of the LAB?

A. Lactic acid Biuret
B. Lactobacillus
C. Lactose basidia
D. Lactic Acid Bacteria
Answer» E.
Discussion
5.

Which of the following household product is not made from Soybean?

A. Tempeh
B. Yoghurt
C. Sofu
D. Soy sauce
Answer» C. Sofu
Discussion
6.

Which of the following bacteria are used for fermenting idli and dosa?

A. <em>Leuconostoc mesenteroides</em>
B. <em>Streptococcus thermophiles</em>
C. <em>Lactobacillus bulgaricus</em>
D. <em>Lactobacillus acidophilus</em>
Answer» B. <em>Streptococcus thermophiles</em>
Discussion
7.

Which of the following enzymes is not produced by baker s yeast?

A. Amylase
B. Maltase
C. Zymase
D. Lactase
Answer» E.
Discussion
8.

Which of the following gas is responsible for the puffed-up appearance of the dough?

A. NH<sub>3</sub>
B. CO<sub>2</sub>
C. O<sub>2</sub>
D. CH<sub>4</sub>
Answer» C. O<sub>2</sub>
Discussion
9.

Which of the following is also known as baker s yeast?

A. <em>Saccharomyces cerevisiae</em>
B. <em>Streptococcus pneumonia</em>
C. <em>Leuconostoc mesenteroides</em>
D. <em>Streptococcus faecalis</em>
Answer» B. <em>Streptococcus pneumonia</em>
Discussion