Which of the following statements is/are correct?
I. The excretory system in humans consist of a pair of kidneys, ureter, urinary bladder, a pair of urethras and urinary opening.
II. In lower animals such as Hydra waste product is excreted by the process of diffusion through the body surface.
III. The urine passes from the kidneys through urethra into urinary bladder.
IV. Urine consists of water, urea and other waste products and urea is breakdown product of proteins.
AI and IV
BII and IV
CII and III
DI and III
i even do think that the 1st option is correct
The different steps of agricultural practices are given below randomly.
|(i) Irrigation||(ii) Ploughing|
|(iii) Weeding||(iv) Levelling|
|(v) Harvesting||(vi) Fertilisers|
|(vii) Sowing||(viii) Crop protection|
|(ix) Storing seeds|
Which of the following represents the correct sequence of these practices?
A (ii) – (iv) – (vii) – (i) – (vi) – (iii) – (viii) – (v) – (ix)
B (iv) – (ii) – (vii) – (i) – (vi) – (iii) – (viii) – (v) – (ix)
C (ii) – (vii) – (iv) – (iii) – (i) – (v) – (vi) – (viii) – (ix)
D (iv) – (vii) – (i) – (ii) – (iii) – (viii) – (ix) – (v) – (vi)
i think correct answer is B not A because levelling is done before ploughing.
Read the given paragraph with few blanks and select the option that correctly fills up any three of these blanks.
Human adults have P types of teeth in their dentition. These are Q , R , S and molars. Q helps in cutting or biting food. There are T Q in each jaw. R teeth are absent in milk teeth set but there are U such teeth in permanent teeth set. S are four in number and helps in V food.
A P-8, R-Premolars, V-Grinding
B Q-Incisors, T-4, U-8
C S-Canines, T-8, U-4
D P-8, S-Premolars, V-Tearing
Ans 2: (Master Answer)
Human adults have 4(P) types of teeth in their dentition. These are Incisors(Q), Premolars(R), Canines(S) and molars. Incisors(Q) helps in cutting or biting food. There are 4(T) Incisors(Q) in each jaw. Premolars(R) teeth are absent in milk teeth set but there are 8(U) such teeth in permanent teeth set. Canines(S) are four in number and helps in Tearing(V) food.
Parts near equator have _________ marked seasons because _________.
A No, they face the Sun for six months continuously
B Clearly, they face the Sun for six months continuously
C No, they retain at almost same angle to the Sun throughout the year
D Clearly, they retain at almost same angle to the Sun throughout the year
Refer to the given flow chart and select the correct option.
Starting from the first letter, strike out every alternate letter to get the name of a food cooking method and select the correct option.
i could not follow the answer,please explain.
Observe the given situation and answer the following questions. Rahul and Ravi are playing in a ground. They start running from the same point X simultaneously in the ground and reach point Y at the same time by following paths marked 1 and 2 respectively, as shown in the figure.
Which of the following is correct statement for the given situation?
A Rahul covers a longer distance with a lower speed.
B Rahul covers a longer distance with a higher speed.
C Rahul and Ravi both cover different distances with same speed.
D Ravi covers a shorter distance with higher speed.
Four identical bulbs are connected in circuit as shown here.
When the switch S is closed, which of the bulb(s) will light up?
BB1 and B4 only
CB2, B3 and B4 only
DNone of these
how do i find the reason for the correct answer please