Subject SAT (College Board) Biology: Questions 471 - 476 of 805

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Question number: 471

» Atoms and Compounds

Edit
MCQ▾

Question

If no loss or gain of electrons occurs by mixing of two atoms, we say that they may be attached to each other due to

Choices

Choice (4) Response

a.

proton attraction

b.

sharing of electrons

c.

neutron attraction

d.

opposite charges

Question number: 472

» Organism and Population

Edit
MCQ▾

Question

This of the following is not a characteristic of ‘r – selected species’?

Choices

Choice (4) Response

a.

Low survival rate of progenies

b.

Parental care

c.

Produce large no. of progenies

d.

Quick reproduction

Question number: 473

» Organism and Population

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Column A indicates animals and column B shows excretory organs. Select the correct option.

List-Ⅰ (Animals) List-Ⅱ (Excretory Organs)

(A)

Cockroach

(i)

Excretory pore

(B)

Earthworm

(ii)

Malphighian tubules

(C)

Ascaris

(iii)

Nephridia

(D)

Tapeworm

(iv)

Flame cells

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (i)
  • (ii)
  • (iii)
  • (iv)

b.

  • (ii)
  • (iv)
  • (iii)
  • (i)

c.

  • (iv)
  • (ii)
  • (i)
  • (iii)

d.

  • (ii)
  • (iii)
  • (i)
  • (iv)

Question number: 474

» Cell

Edit
MCQ▾

Question

Cell wall in bacteria and cyanobacteria is made up of

Choices

Choice (4) Response

a.

chitin

b.

chitin and hemicellulose

c.

peptidoglycan and lipids

d.

cellulose

Question number: 475

» Atoms and Compounds

Edit
MCQ▾

Question

If Aluminum has an atomic number of and has neutrons, what is its mass?

Choices

Choice (4) Response

a.

3

b.

32

c.

27

d.

25

Question number: 476

» Atoms and Compounds

Edit
MCQ▾

Question

Sodium becomes a cation when

Choices

Choice (4) Response

a.

it gains an electron

b.

it loses an electron

c.

it gains a proton

d.

it loses a proton

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