Biology Set 7

General Knowledge (GK),

Union Public Service Commission (UPSC),

Indian Administrative Service (IAS),

Staff Selection Commission (SSC)

Practice Mode Previous Next
On This Page

This set of General Science Multiple Choice Questions & Answers (MCQs) focuses on Biology Set 7

Q1 | Consider the following types of Plants:1. Calcicoles2. Calcifuges3. CalcareousWhich among the above plants grow in most acidic soils?
  • 1
  • 2
  • 3
  • 1 & 3
Answer: 2
Q2 | The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of _______?
  • Halophytes
  • Heliophytes
  • Sciophytes
  • Lithophytes
Answer: Halophytes
Q3 | In which of the following Cloaca which is the posterior opening that serves as the onlysuch opening for the intestinal, reproductive and urinary tracts is present?
  • Aves only
  • Aves & Amphibians
  • Aves, Amphibians and Reptiles
  • Pisces, Aves, Amphibians & Reptiles
Answer: Aves, Amphibians and Reptiles
Q4 | Which among the following is correct about Viruses?
  • They have DNA only
  • They have RNA only
  • They have both DNA & RNA
  • They have either DNA or RNA
Answer: They have either DNA or RNA
Q5 | Lepidopterology is a branch of biology, which deals with the following?
  • Ferns
  • animals in stagnant waters
  • Lipids and Fats
  • Moths & Butterflies
Answer: Moths & Butterflies
Q6 | The existence of genes was first suggested by?
  • Gregor Mendel
  • George Wells Beadle
  • Edward Lawrie Tatum
  • Frederick Griffith
Answer: Gregor Mendel
Q7 | The human musculoskeletal system consists of
  • human skeleton
  • bones attached to other bones with joints
  • skeletal muscle attached to the skeleton by tendons.
  • All the above
Answer: All the above
Q8 | Lipoproteins which are the large molecules and which transport the cholesterol in thebloodstream are ______-?
  • protein molecules
  • fat molecules
  • protein and fat molecules
  • Lipids
Answer: protein and fat molecules
Q9 | Cobalt is a component of which of the following Vitamins?
  • Vitamin A
  • Vitamin D
  • Vitamin E
  • Vitamin B12
Answer: Vitamin B12
Q10 | Which among the following conditions will give birth to Fraternal Twins?
  • a single egg is fertilized to form one zygote which then divides into two separate embryos
  • sperm cells fertilize both the ovum and the second polar body
  • two eggs are independently fertilized by two different sperm cells
  • none of the above
Answer: two eggs are independently fertilized by two different sperm cells
Q11 | In which of the following conditions a person is born with both ovarian and testicular tissues i.e. both female & male organs?
  • Swyer syndrome
  • Penile agenesis
  • Polyorchidism
  • Hermaphroditism
Answer: Hermaphroditism
Q12 | In which of the following branches of science study of functions, characteristics, and phenomena observed in the living world and the application of this knowledge to world of machine is studied?
  • Biometry
  • Bionics
  • Bionomy
  • Bionomy
Answer: Bionics
Q13 | Which of the following places are main centers of silicosis and silico-tuberculosis diseases affecting the workers in India?
  • Glass Factories
  • Stone quarries and stone crushing factories.
  • Fireworks Factories
  • Brick Kilns
Answer: Stone quarries and stone crushing factories.
Q14 | Which among the following is correct about triticale?
  • A hybrid seed
  • A man made cereal
  • A genetically modified cereal
  • A leguminous plant
Answer: A man made cereal
Q15 | Which among the following is a main constituent of Histosols?
  • Acidic Salts
  • Organic Matter
  • Minerals
  • Clay Content
Answer: Organic Matter
Q16 | Which among the following correctly denotes Net Reproduction Rate?
  • Average number of children that would be born to a woman over her lifetime
  • Average number of children that would be born to a couple over their life time
  • Birth Rate — Death rate
  • The rate at which women are replaced by daughters who will have children
Answer: The rate at which women are replaced by daughters who will have children
Q17 | Which among the following is correct about Saliva of a Healthy Human?
  • It is slightly acidic
  • It is slightly saline
  • It is slightly alkaline
  • It is neutral
Answer: It is slightly alkaline
Q18 | With which of the following diseases Project Kavach is related to
  • Malaria
  • Dengue
  • AIDS
  • Swineflu
Answer: AIDS
Q19 | Which among the following is the first country to issue research licenses for humanembryonic cloning to create stem cells?
  • United States
  • Australia
  • Germany
  • Britain
Answer: Britain
Q20 | Japanese encephalitis is a disease caused by __ ?
  • Virus
  • Protozoa
  • Bacteria
  • Fungi
Answer: Virus
Q21 | Which among the following is caused by Virus?
  • Mumps
  • Beri Beri
  • Tuberculosis
  • Dysentery
Answer: Mumps
Q22 | Which among the following causes ?Dumdum Fever‘ or Kala Azar?
  • Bacteria
  • Fungi
  • protozoa
  • Virus
Answer: protozoa
Q23 | Who among the following worked on Tuberculosis?
  • Robert Koch
  • Karl Ernst von Baer
  • Erwin Neher
  • Richard Goldschmidt
Answer: Robert Koch
Q24 | Which among the following is not a carnivorous plant?
  • Pitcher plant
  • Venus Fly Trap
  • waterwheel plant
  • Marsh Mallow
Answer: Marsh Mallow
Q25 | A four chambered heart is found in which of the following?
  • mammals only
  • mammals and fish
  • mammals & Birds
  • mammals and Amphibians
Answer: mammals & Birds
Previous Next