I. Suntanned skin is hereditary.II. Crowning of hair is hereditary.
For the parabola y2+6y−2x+5=0 (i) The vertex is (−2,−3) (ii) The directrix is y+3=0 which of the following is correct?
Question 23
Statements (I) and (II) are as given below: I: If two lines intersect, then the vertically opposite angles are equal. II: If a transversal intersects two other lines, then the sum of two interior angles on the same side of the transversal is 180∘.
Then, (a) both (I) and (II) are true (b) (I) is true and (II) is false (c) (I) is false and (II) is true (d) both (I) and (II) are false
Observe the following statements
(i)In ΔABC,bcos2C2+c cos2B2=s
(ii)In ΔABC,cotA2=b+ca⇒B=900
Which of the following is correct?
Statement - I: Cd is a transition element. Statement - II: Cd and Cd2+ both have completely filled d− orbitals in their ground state.