General Science - Online Test

Q1. Which of the following complexes can form d and l isomers?
Answer : Option B
Explaination / Solution:

Cis  [Co(en)2Cl2]+exist as non superimposable mirror image.
Q2. Glucose will be lost in the urine of patients suffering from :
Answer : Option C
Explaination / Solution:

Glucose will be lost in the urine of patients suffering from diabetes mellitus. It a chronic lifelong condition that affects our body ability to use the energy found in blood.

Q3. for the reaction at 298 K,    = 400 kJ and  = 0.2 kJ  At what temperature will the reaction become spontaneous considering  and  to be constant over the temperature range.
Answer : Option B
Explaination / Solution:

ΔG= ΔH-TΔS At equilibrium ΔG=0 then T= ΔH/ΔS =2000K

Q4. The presence of milk producing glands is a unique characteristic feature of class
Answer : Option D
Explaination / Solution:

Mammalia are found in a variety of habitats – polar ice caps, deserts, mountains,forests, grasslands and dark caves. Some of them have adapted to fly orlive in water. The most unique mammalian characteristic is the presenceof milk producing glands (mammary glands) by which the young onesare nourished. They have two pairs of limbs, adapted for walking, running,climbing, burrowing, swimming or flying.

Q5.
A solution of Ni()2 is electrolyzed between platinum electrodes using a current of 5 amperes for 20 minutes. What mass of Ni is deposited at the cathode?
Answer : Option D
Explaination / Solution:



Q6. The broad definition of money is based on
Answer : Option C
Explaination / Solution:
No Explaination.


Q7. To provide the abundance of holes the impurity added should be
Answer : Option C
Explaination / Solution:

If We introduce a "Trivalent" (3-electron) impurity into the crystalline structure, such as Aluminium, Boron or Indium, which have only three valence electrons available in their outermost orbital, the fourth closed bond cannot be formed. Therefore, a complete connection is not possible, giving the semiconductor material an abundance of positively charged carriers known as "holes" in the structure of the crystal where electrons are effectively missing

Q8. From the following which is not a problem in the construction of Index numbers?
Answer : Option D
Explaination / Solution:
No Explaination.


Q9. The correct order of uterus layers form outside to inside is
Answer : Option A
Explaination / Solution:

The wall of uterus has three layers of tissues. The outer most thin layer is called perimetrium followed by thick layer of smooth muscles, myometrium and innermost glandular tissue is endometrium.

Q10. Navodaya Vidyalayas were established to give modern education of a good standard, to talented students in
Answer : Option A
Explaination / Solution:

Navodaya Vidyalayas cater to the rural talent in India. They are established in every district with the purpose of providing a level playing ground to the children of the rural areas.