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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
Q2 | The pneumatophores are negatively geotropic roots which grow upward & meant for gaseous exchange. These are a characteristic of _______?
  • Halophytes
  • Heliophytes
  • Sciophytes
  • Lithophytes
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
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
Q5 | Lepidopterology is a branch of biology, which deals with the following?
  • Ferns
  • animals in stagnant waters
  • Lipids and Fats
  • Moths & Butterflies
Q6 | The existence of genes was first suggested by?
  • Gregor Mendel
  • George Wells Beadle
  • Edward Lawrie Tatum
  • Frederick Griffith
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
Q8 | Lipoproteins which are the large molecules and which transport the cholesterol in thebloodstream are ______-?
  • protein molecules
  • fat molecules
  • protein and fat molecules
  • Lipids
Q9 | Cobalt is a component of which of the following Vitamins?
  • Vitamin A
  • Vitamin D
  • Vitamin E
  • 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
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
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
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
Q14 | Which among the following is correct about triticale?
  • A hybrid seed
  • A man made cereal
  • A genetically modified cereal
  • A leguminous plant
Q15 | Which among the following is a main constituent of Histosols?
  • Acidic Salts
  • Organic Matter
  • Minerals
  • Clay Content
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
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
Q18 | With which of the following diseases Project Kavach is related to
  • Malaria
  • Dengue
  • AIDS
  • Swineflu
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
Q20 | Japanese encephalitis is a disease caused by __ ?
  • Virus
  • Protozoa
  • Bacteria
  • Fungi
Q21 | Which among the following is caused by Virus?
  • Mumps
  • Beri Beri
  • Tuberculosis
  • Dysentery
Q22 | Which among the following causes ?Dumdum Fever‘ or Kala Azar?
  • Bacteria
  • Fungi
  • protozoa
  • Virus
Q23 | Who among the following worked on Tuberculosis?
  • Robert Koch
  • Karl Ernst von Baer
  • Erwin Neher
  • Richard Goldschmidt
Q24 | Which among the following is not a carnivorous plant?
  • Pitcher plant
  • Venus Fly Trap
  • waterwheel plant
  • Marsh Mallow
Q25 | A four chambered heart is found in which of the following?
  • mammals only
  • mammals and fish
  • mammals & Birds
  • mammals and Amphibians