Question
What is LAB? What is its role in human stomach?

Answer

  1. Lactic acid bacteria.
  2. It play a very beneficial role in checking disease-causing microbes.

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

What do you think is the significance of reproduction health in a society?
What changes are seen in human male and females by onsetting of puberty.
Given below are the events that are observed in artificial hybridisation programme. Arrange them in the correct sequential order in which they are followed in the hybridisation programme.
(a) Re-bagging; (b) Selection of parents; (c) Bagging; (d) Dusting the pollen on stigma; (e) Emasculation; (f) Collection of pollen from male parent.
Mention the product and its use produced by each of the microbes listed below:
  1. Streptococcus.
  2. Lactobacillus.
  3. Saccharomyces cerevisiae.
Explain the origin of simple organic compounds on the primitive earth.
Answer the questions based on the dinucleotide show below.
Image
i. Name the type of sugar to which guanine base is attached to.
ii. Name the linkage connecting the two nucleotides.
iii. Identify the 3' end of the dinucleotide. Give a reason for your answer.
Differentiate between the following:

mRNA and tRNA.

Given below are the events in human reproduction. Write them in correct sequential order.
Insemination, gametogenesis, fertilisation, parturition, gestation, implantation.
Name two diseases each, which are transmitted in the following ways:
  1. Through contaminated food and water.
  2. Through insect vectors.
  3. Through the air/ droplet inhaled.
  1. Why do the symptoms of malaria not appear immediately after the entry of sporozoites into the human body when bitten by female Anopheles? Explain.
  2. Give the scientific name of the malarial parasite that causes malignant malaria in humans.