Biology questions
20584 published questions with worked solutions.
- Frog is
- Which of the following is produced during Ornithine cycle?
- Which one of the following contains uric acid as the chief nitrogenous waste?
- Organisms which excrete ammonia as main excretory product are
- Uricotelism uses ______ energy in forming uric acid
- The normal constituent of urine of a healthy person is
- Ureotelism occurs in ______ animals
- The elimination of guanine in solid form is called
- A tuft of capillaries present in a nephron is
- The blood vessel responsible for carrying blood to the kidney
- On inner margin of each kidney, there is a notch called
- Each kidney is
- Urine is temporarily stored in
- Which enzyme in the JG cells help to raise blood pressure if it drops suddenly?
- Releasing of urine becomes voluntary when it is in
- The collecting tubules of a nephron open into
- In female, the urethra is about ______ cm long
- Juxtaglomerular apparatus responds to
- Which one is not the function of kidney?
- Urethral opening at its base is controlled by